{"id":"CVE-2026-123960","aliases":[],"cve":{"records":[{"id":"CVE-2026-123960","source":"VulDB","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-11-06T17:07:22.515Z","published":"2026-11-07T10:00:25.794Z","modified":"2026-11-07T10:00:25.794Z"}],"publishers":[{"name":"VulDB","role":"CNA","organizationId":"1af790b2-7ee1-4545-860a-a788eba489b5","modified":"2026-11-07T10:00:25.794Z"}],"references":[{"url":"https://vuldb.com/vuln/432023","tags":["vdb-entry","technical-description"],"source":"VulDB"},{"url":"https://vuldb.com/vuln/432023/cti","tags":["signature","permissions-required"],"source":"VulDB"},{"url":"https://vuldb.com/cve/CVE-2026-123960","tags":["third-party-advisory"],"source":"VulDB"},{"url":"https://vuldb.com/submit/1033722","tags":["third-party-advisory"],"source":"VulDB"},{"url":"https://lavender-bicycle-a5a.notion.site/TOTOLINK-CA300-PoE-setWanConfig-3f953a41781f80ec86f3c2840cb5fc4b?source=copy_link","tags":["exploit"],"source":"VulDB"},{"url":"https://www.totolink.net/","tags":["product"],"source":"VulDB"}],"weaknesses":[{"id":"CWE-120","description":"Buffer Overflow","source":"VulDB"},{"id":"CWE-119","description":"Memory Corruption","source":"VulDB"}],"applicability":[],"prioritization":[]},"title":"TOTOLINK CA300-PoE cstecgi.cgi setWanConfig buffer overflow","titleSource":"VulDB","descriptionSource":"VulDB","description":"A weakness has been identified in TOTOLINK CA300-PoE 6.2c.884. This affects the function setWanConfig of the file /cgi-bin/cstecgi.cgi. Executing a manipulation of the argument pppoeUser/priDns/secDns can lead to buffer overflow. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks.","score":9.9,"severity":"critical","published":"2026-11-07T10:00:25.794Z","modified":"2026-11-07T10:00:25.794Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"TOTOLINK","name":"CA300-PoE","platforms":[],"versions":[{"version":"6.2c.884","status":"affected"}],"cpes":["cpe:2.3:o:totolink:ca300-poe_firmware:*:*:*:*:*:*:*:*"],"source":"VulDB","url":"https://www.cve.org/CVERecord?id=CVE-2026-123960"}],"remediation":[],"references":["https://vuldb.com/vuln/432023","https://vuldb.com/vuln/432023/cti","https://vuldb.com/cve/CVE-2026-123960","https://vuldb.com/submit/1033722","https://lavender-bicycle-a5a.notion.site/TOTOLINK-CA300-PoE-setWanConfig-3f953a41781f80ec86f3c2840cb5fc4b?source=copy_link","https://www.totolink.net/"],"sources":[{"name":"CVE","id":"CVE-2026-123960","modified":"2026-11-07T10:00:25.794Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-123960"}],"assessments":[{"source":"VulDB","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P","score":9.4},{"source":"VulDB","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:C","score":9.9},{"source":"VulDB","vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:C","score":9.9},{"source":"VulDB","vector":"AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:C","score":9}],"sourceAffected":[],"observedAt":"2026-11-07T10:10:42.070Z","kev":{"status":"not-listed","checkedAt":"2026-11-09T01:15:30.866Z"},"coverage":[{"source":"NVD","status":"no-result","checkedAt":"2026-11-07T10:15:31.913Z","attemptedAt":"2026-11-07T10:15:31.913Z"},{"source":"GHSA","status":"no-result","checkedAt":"2026-11-07T10:15:32.122Z","attemptedAt":"2026-11-07T10:15:32.122Z"},{"source":"EUVD","status":"no-result","checkedAt":"2026-11-07T10:15:31.914Z","attemptedAt":"2026-11-07T10:15:31.914Z"},{"source":"EPSS","status":"no-result","checkedAt":"2026-11-07T10:15:31.802Z","attemptedAt":"2026-11-07T10:15:31.802Z"}],"evidence":[],"aiSummary":{"text":"TOTOLINK CA300-PoE firmware version 6.2c.884 has a buffer overflow weakness in the setWanConfig function of cstecgi.cgi, potentially allowing remote attacks via pppoeUser/priDns/secDns argument manipulation. The impact is uncertain. Remote access is required.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-11-07T10:11:02.256Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-123960"}]}}