{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-86296", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-09-06T16:15:06.544Z", "datePublished": "2026-09-07T10:30:08.515Z", "dateUpdated": "2026-09-08T16:48:54.351Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-09-07T10:30:08.515Z" }, "title": "D-Link DIR-822A udhcpcd serverpacket.c strcpy stack-based overflow", "problemTypes": [ { "descriptions": [ { "type": "CWE", "cweId": "CWE-121", "lang": "en", "description": "Stack-based Buffer Overflow" } ] }, { "descriptions": [ { "type": "CWE", "cweId": "CWE-119", "lang": "en", "description": "Memory Corruption" } ] } ], "affected": [ { "vendor": "D-Link", "product": "DIR-822A", "versions": [ { "version": "A_101", "status": "affected" } ], "cpes": [ "cpe:2.3:h:d-link:dir-822a:*:*:*:*:*:*:*:*" ], "modules": [ "udhcpcd" ] } ], "descriptions": [ { "lang": "en", "value": "A vulnerability was determined in D-Link DIR-822A A_101. This vulnerability affects the function strcpy of the file udhcpcd/serverpacket.c of the component udhcpcd. This manipulation causes stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized." } ], "metrics": [ { "cvssV4_0": { "version": "4.0", "baseScore": 10, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P", "baseSeverity": "CRITICAL" } }, { "cvssV3_1": { "version": "3.1", "baseScore": 10, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R", "baseSeverity": "CRITICAL" } }, { "cvssV3_0": { "version": "3.0", "baseScore": 10, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R", "baseSeverity": "CRITICAL" } }, { "cvssV2_0": { "version": "2.0", "baseScore": 10, "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR" } } ], "timeline": [ { "time": "2026-09-06T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed" }, { "time": "2026-09-06T02:00:00.000Z", "lang": "en", "value": "VulDB entry created" }, { "time": "2026-09-06T18:20:10.000Z", "lang": "en", "value": "VulDB entry last update" } ], "credits": [ { "lang": "en", "value": "tian (VulDB User)", "type": "reporter" } ], "references": [ { "url": "https://vuldb.com/vuln/399458", "name": "VDB-399458 | D-Link DIR-822A udhcpcd serverpacket.c strcpy stack-based overflow", "tags": [ "vdb-entry", "technical-description" ] }, { "url": "https://vuldb.com/vuln/399458/cti", "name": "VDB-399458 | CTI Indicators (IOB, IOC, IOA)", "tags": [ "signature", "permissions-required" ] }, { "url": "https://vuldb.com/cve/CVE-2026-86296", "name": "CVE-2026-86296 | CVE Analysis and Report", "tags": [ "third-party-advisory" ] }, { "url": "https://vuldb.com/submit/906297", "name": "Submit #906297 | D-Link DIR822A_101 A_101 Stack-based Buffer Overflow", "tags": [ "third-party-advisory" ] }, { "url": "https://tzh00203.notion.site/D-Link-DIR-822A-Stack-Overflow-in-udhcpd-TR-111-Option-125-Parsing-33cb5c52018a80238b80e89e7c7c68f0", "tags": [ "exploit" ] }, { "url": "https://www.dlink.com/", "tags": [ "product" ] } ], "x_generator": [ "VulDB PVTS v202609" ] }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-09-08T16:48:21.039247Z", "id": "CVE-2026-86296", "options": [ { "Exploitation": "poc" }, { "Automatable": "yes" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-08T16:48:54.351Z" } } ] } }