{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-15701", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-07-14T05:27:02.636Z", "datePublished": "2026-07-14T16:30:10.560Z", "dateUpdated": "2026-07-15T14:50:35.949Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-07-14T16:30:10.560Z" }, "title": "Totolink NR1800X lighttpd formLogout.htm Form_Logout 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": "Totolink", "product": "NR1800X", "versions": [ { "version": "9.1.0u.6279_B20210910", "status": "affected" } ], "cpes": [ "cpe:2.3:o:totolink:nr1800x_firmware:*:*:*:*:*:*:*:*" ], "modules": [ "lighttpd" ] } ], "descriptions": [ { "lang": "en", "value": "A weakness has been identified in Totolink NR1800X 9.1.0u.6279_B20210910. Affected by this issue is the function Form_Logout of the file /formLogout.htm of the component lighttpd. This manipulation of the argument Host causes stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks." } ], "metrics": [ { "cvssV4_0": { "version": "4.0", "baseScore": 9.3, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P", "baseSeverity": "CRITICAL" } }, { "cvssV3_1": { "version": "3.1", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R", "baseSeverity": "CRITICAL" } }, { "cvssV3_0": { "version": "3.0", "baseScore": 9.8, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/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": "2026-07-14T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed" }, { "time": "2026-07-14T02:00:00.000Z", "lang": "en", "value": "VulDB entry created" }, { "time": "2026-07-14T07:32:06.000Z", "lang": "en", "value": "VulDB entry last update" } ], "credits": [ { "lang": "en", "value": "fuguang (VulDB User)", "type": "reporter" } ], "references": [ { "url": "https://vuldb.com/vuln/378248", "name": "VDB-378248 | Totolink NR1800X lighttpd formLogout.htm Form_Logout stack-based overflow", "tags": [ "vdb-entry", "technical-description" ] }, { "url": "https://vuldb.com/vuln/378248/cti", "name": "VDB-378248 | CTI Indicators (IOB, IOC, IOA)", "tags": [ "signature", "permissions-required" ] }, { "url": "https://vuldb.com/cve/CVE-2026-15701", "name": "CVE-2026-15701 | CVE Analysis and Report", "tags": [ "third-party-advisory" ] }, { "url": "https://vuldb.com/submit/856136", "name": "Submit #856136 | TOTOLINK TOTOLINK NR1800X V9.1.0u.6279_B20210910 V9.1.0u.6279_B20210910 Buffer Overflow", "tags": [ "third-party-advisory" ] }, { "url": "https://github.com/fu9-dotom/cve/issues/1", "tags": [ "exploit", "issue-tracking" ] }, { "url": "https://www.totolink.net/", "tags": [ "product" ] } ] }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-07-15T14:50:26.008836Z", "id": "CVE-2026-15701", "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": "2026-07-15T14:50:35.949Z" } } ] } }