{
  "document": {
    "acknowledgments": [
      {
        "names": [
          "Natnael Samson"
        ],
        "organization": "Trend Micro Zero Day Initiative",
        "summary": "reporting these vulnerabilities to CISA"
      }
    ],
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Disclosure is not limited",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.cisa.gov/news-events/news/traffic-light-protocol-tlp-definitions-and-usage"
      }
    },
    "lang": "en-US",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "This product is provided subject to this Notification (https://www.cisa.gov/notification) and this Privacy & Use policy (https://www.cisa.gov/privacy-policy).",
        "title": "Legal Notice and Terms of Use"
      },
      {
        "category": "summary",
        "text": "Successful exploitation of these vulnerabilities could allow an attacker to write data outside of the allocated memory buffer.",
        "title": "Risk evaluation"
      },
      {
        "category": "other",
        "text": "Energy",
        "title": "Critical infrastructure sectors"
      },
      {
        "category": "other",
        "text": "Worldwide",
        "title": "Countries/areas deployed"
      },
      {
        "category": "other",
        "text": "Taiwan",
        "title": "Company headquarters location"
      },
      {
        "category": "general",
        "text": "CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "CISA also provides a section for control systems security recommended practices on the ICS webpage on cisa.gov/ics. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov/ics in the technical information paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "No known public exploitation specifically targeting these vulnerabilities has been reported to CISA at this time. These vulnerabilities are not exploitable remotely.",
        "title": "Recommended Practices"
      }
    ],
    "publisher": {
      "category": "coordinator",
      "contact_details": "central@cisa.dhs.gov",
      "name": "CISA",
      "namespace": "https://www.cisa.gov/"
    },
    "references": [
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-25-280-01 JSON",
        "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2025/icsa-25-280-01.json"
      },
      {
        "category": "self",
        "summary": "ICSA Advisory ICSA-25-280-01 - Web Version",
        "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-25-280-01"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/resources-tools/resources/ics-recommended-practices"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/topics/industrial-control-systems"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/news-events/ics-alerts/ics-alert-10-301-01"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/news-events/news/targeted-cyber-intrusion-detection-and-mitigation-strategies-update-b"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/secure-our-world/teach-employees-avoid-phishing"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/news-events/news/avoiding-social-engineering-and-phishing-attacks"
      }
    ],
    "title": "Delta Electronics DIAScreen",
    "tracking": {
      "current_release_date": "2025-10-23T06:00:00.000000Z",
      "generator": {
        "date": "2025-10-23T21:34:54.828557Z",
        "engine": {
          "name": "CISA CSAF Generator",
          "version": "1.0.0"
        }
      },
      "id": "ICSA-25-280-01",
      "initial_release_date": "2025-10-07T06:00:00.000000Z",
      "revision_history": [
        {
          "date": "2025-10-07T06:00:00.000000Z",
          "legacy_version": "Initial",
          "number": "1",
          "summary": "Initial Publication"
        },
        {
          "date": "2025-10-23T06:00:00.000000Z",
          "legacy_version": "Revision",
          "number": "2",
          "summary": "Revision - Format fix"
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "<=1.6.0",
                "product": {
                  "name": "Delta Electronics DIAScreen: <=1.6.0",
                  "product_id": "CSAFPID-0001"
                }
              }
            ],
            "category": "product_name",
            "name": "DIAScreen"
          }
        ],
        "category": "vendor",
        "name": "Delta Electronics"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2025-59297",
      "cwe": {
        "id": "CWE-787",
        "name": "Out-of-bounds Write"
      },
      "notes": [
        {
          "category": "summary",
          "text": "Delta Electronics DIAScreen can write data outside of the intended memory buffer when a valid user opens a maliciously crafted project file. ",
          "title": "Vulnerability Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "www.cve.org",
          "url": "https://www.cve.org/CVERecord?id=CVE-2025-59297"
        },
        {
          "category": "external",
          "summary": "www.first.org",
          "url": "https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H"
        },
        {
          "category": "external",
          "summary": "www.first.org",
          "url": "https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Delta Electronics has released v1.6.1 of DIAScreen and recommends users install this update on all affected systems.",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "https://downloadcenter.deltaww.com/en-US/DownloadCenter?v=1&q=DIAScreen&sort_expr=cdate&sort_dir=DESC"
        },
        {
          "category": "mitigation",
          "details": "For more information, see Delta Electronics' advisory Delta-PCSA-2025-00018.",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "https://filecenter.deltaww.com/news/download/doc/Delta-PCSA-2025-00018_DIAScreen%20File%20Parsing%20Out-Of-Bounds%20Write%20Vulnerability.pdf"
        },
        {
          "category": "mitigation",
          "details": "CISA recommends users take the following measures to protect themselves from social engineering attacks:",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "mitigation",
          "details": "Do not click web links or open attachments in unsolicited email messages.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "mitigation",
          "details": "Refer to Recognizing and Avoiding Email Scams for more information on avoiding email scams.",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "https://www.cisa.gov/uscert/sites/default/files/publications/emailscams0905.pdf"
        },
        {
          "category": "mitigation",
          "details": "Refer to Avoiding Social Engineering and Phishing Attacks for more information on social engineering attacks.",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "https://www.cisa.gov/uscert/ncas/tips/ST04-014"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 6.6,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-0001"
          ]
        }
      ]
    },
    {
      "cve": "CVE-2025-59298",
      "cwe": {
        "id": "CWE-787",
        "name": "Out-of-bounds Write"
      },
      "notes": [
        {
          "category": "summary",
          "text": "Delta Electronics DIAScreen can write data outside of the intended memory buffer when a valid user opens a maliciously crafted project file. ",
          "title": "Vulnerability Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "www.cve.org",
          "url": "https://www.cve.org/CVERecord?id=CVE-2025-59298"
        },
        {
          "category": "external",
          "summary": "www.first.org",
          "url": "https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H"
        },
        {
          "category": "external",
          "summary": "www.first.org",
          "url": "https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Delta Electronics has released v1.6.1 of DIAScreen and recommends users install this update on all affected systems.",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "https://downloadcenter.deltaww.com/en-US/DownloadCenter?v=1&q=DIAScreen&sort_expr=cdate&sort_dir=DESC"
        },
        {
          "category": "mitigation",
          "details": "For more information, see Delta Electronics' advisory Delta-PCSA-2025-00018.",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "https://filecenter.deltaww.com/news/download/doc/Delta-PCSA-2025-00018_DIAScreen%20File%20Parsing%20Out-Of-Bounds%20Write%20Vulnerability.pdf"
        },
        {
          "category": "mitigation",
          "details": "CISA recommends users take the following measures to protect themselves from social engineering attacks:",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "mitigation",
          "details": "Do not click web links or open attachments in unsolicited email messages.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "mitigation",
          "details": "Refer to Recognizing and Avoiding Email Scams for more information on avoiding email scams.",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "https://www.cisa.gov/uscert/sites/default/files/publications/emailscams0905.pdf"
        },
        {
          "category": "mitigation",
          "details": "Refer to Avoiding Social Engineering and Phishing Attacks for more information on social engineering attacks.",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "https://www.cisa.gov/uscert/ncas/tips/ST04-014"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 6.6,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-0001"
          ]
        }
      ]
    },
    {
      "cve": "CVE-2025-59299",
      "cwe": {
        "id": "CWE-787",
        "name": "Out-of-bounds Write"
      },
      "notes": [
        {
          "category": "summary",
          "text": "Delta Electronics DIAScreen can write data outside of the intended memory buffer when a valid user opens a maliciously crafted project file. ",
          "title": "Vulnerability Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "www.cve.org",
          "url": "https://www.cve.org/CVERecord?id=CVE-2025-59299"
        },
        {
          "category": "external",
          "summary": "www.first.org",
          "url": "https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H"
        },
        {
          "category": "external",
          "summary": "www.first.org",
          "url": "https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Delta Electronics has released v1.6.1 of DIAScreen and recommends users install this update on all affected systems.",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "https://downloadcenter.deltaww.com/en-US/DownloadCenter?v=1&q=DIAScreen&sort_expr=cdate&sort_dir=DESC"
        },
        {
          "category": "mitigation",
          "details": "For more information, see Delta Electronics' advisory Delta-PCSA-2025-00018.",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "https://filecenter.deltaww.com/news/download/doc/Delta-PCSA-2025-00018_DIAScreen%20File%20Parsing%20Out-Of-Bounds%20Write%20Vulnerability.pdf"
        },
        {
          "category": "mitigation",
          "details": "CISA recommends users take the following measures to protect themselves from social engineering attacks:",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "mitigation",
          "details": "Do not click web links or open attachments in unsolicited email messages.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "mitigation",
          "details": "Refer to Recognizing and Avoiding Email Scams for more information on avoiding email scams.",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "https://www.cisa.gov/uscert/sites/default/files/publications/emailscams0905.pdf"
        },
        {
          "category": "mitigation",
          "details": "Refer to Avoiding Social Engineering and Phishing Attacks for more information on social engineering attacks.",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "https://www.cisa.gov/uscert/ncas/tips/ST04-014"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 6.6,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-0001"
          ]
        }
      ]
    },
    {
      "cve": "CVE-2025-59300",
      "cwe": {
        "id": "CWE-787",
        "name": "Out-of-bounds Write"
      },
      "notes": [
        {
          "category": "summary",
          "text": "Delta Electronics DIAScreen can write data outside of the intended memory buffer when a valid user opens a maliciously crafted project file. ",
          "title": "Vulnerability Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "www.cve.org",
          "url": "https://www.cve.org/CVERecord?id=CVE-2025-59300"
        },
        {
          "category": "external",
          "summary": "www.first.org",
          "url": "https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H"
        },
        {
          "category": "external",
          "summary": "www.first.org",
          "url": "https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Delta Electronics has released v1.6.1 of DIAScreen and recommends users install this update on all affected systems.",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "https://downloadcenter.deltaww.com/en-US/DownloadCenter?v=1&q=DIAScreen&sort_expr=cdate&sort_dir=DESC"
        },
        {
          "category": "mitigation",
          "details": "For more information, see Delta Electronics' advisory Delta-PCSA-2025-00018.",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "https://filecenter.deltaww.com/news/download/doc/Delta-PCSA-2025-00018_DIAScreen%20File%20Parsing%20Out-Of-Bounds%20Write%20Vulnerability.pdf"
        },
        {
          "category": "mitigation",
          "details": "CISA recommends users take the following measures to protect themselves from social engineering attacks:",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "mitigation",
          "details": "Do not click web links or open attachments in unsolicited email messages.",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "mitigation",
          "details": "Refer to Recognizing and Avoiding Email Scams for more information on avoiding email scams.",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "https://www.cisa.gov/uscert/sites/default/files/publications/emailscams0905.pdf"
        },
        {
          "category": "mitigation",
          "details": "Refer to Avoiding Social Engineering and Phishing Attacks for more information on social engineering attacks.",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "https://www.cisa.gov/uscert/ncas/tips/ST04-014"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 6.6,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-0001"
          ]
        }
      ]
    }
  ]
}