{"id":"CVE-2026-123961","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-123961","summary":"A security vulnerability has been detected in TOTOLINK CA300-PoE 6.2c.884. This impacts the function setWiFiBasicConfig of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument…","details":"A security vulnerability has been detected in TOTOLINK CA300-PoE 6.2c.884. This impacts the function setWiFiBasicConfig of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument KeyStr leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used.","published":"2026-11-07T10:15:21.410Z","modified":"2026-11-07T10:15:21.410Z","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/E:P/RL:X/RC:C"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://vuldb.com/vuln/432024"},{"type":"WEB","url":"https://vuldb.com/vuln/432024/cti"},{"type":"ADVISORY","url":"https://vuldb.com/cve/CVE-2026-123961"},{"type":"ADVISORY","url":"https://vuldb.com/submit/1033753"},{"type":"EXPLOIT","url":"https://lavender-bicycle-a5a.notion.site/TOTOLINK-CA300-PoE-setWiFiBasicConfig-3f953a41781f8098a6e8d808cb1a3ffd?source=copy_link"},{"type":"WEB","url":"https://www.totolink.net/"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-11-07T10:15:21.410Z"}}