{"id":"CVE-2026-123960","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-123960","summary":"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…","details":"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.","published":"2026-11-07T10:17:12.357","modified":"2026-11-07T10:17:12.530","cvss":{"score":9.9,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://lavender-bicycle-a5a.notion.site/TOTOLINK-CA300-PoE-setWanConfig-3f953a41781f80ec86f3c2840cb5fc4b?source=copy_link"},{"type":"WEB","url":"https://vuldb.com/cve/CVE-2026-123960"},{"type":"WEB","url":"https://vuldb.com/submit/1033722"},{"type":"WEB","url":"https://vuldb.com/vuln/432023"},{"type":"WEB","url":"https://vuldb.com/vuln/432023/cti"},{"type":"WEB","url":"https://www.totolink.net/"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-11-07T10:17:12.530"}}