{"id":"EM-20261107-5MB5","url":"https://cyber.eventmonitor.net/incident/EM-20261107-5MB5/totolink-ca300-poe-vulnerability-cve-2026-123957/","type":"cve","title":"TOTOLINK CA300-PoE Vulnerability (CVE-2026-123957)","subtitle":"CVE-2026-123957","subject":"CVE-2026-123957","status":"Developing","severity":"high","affected":[],"headline":null,"born":"2026-11-07T09:30:41.000Z","firstSignal":"2026-11-07T09:17:14.890Z","lastSignal":"2026-11-07T09:30:41.000Z","updated":"2026-11-07T10:38:49.228Z","revision":1,"life":[{"status":"Born","at":"2026-11-07T09:30:41.000Z","why":"second independent source: C29 CIRCL Vulnerability-Lookup"},{"status":"Developing","at":"2026-11-07T09:30:41.000Z","why":"signals keep joining"}],"changeLog":[{"at":"2026-11-07T09:17:14.890Z","what":"First signal: C6 NVD CVE API 2.0"},{"at":"2026-11-07T09:30:41.000Z","what":"Born: second source, C29 CIRCL Vulnerability-Lookup. Page EM-20261107-5MB5 created."}],"stages":[{"name":"Disclosed","at":"2026-11-07T09:17:14.890Z","detail":"C6 NVD published"},{"name":"Scored","at":"2026-11-07T09:17:14.890Z","detail":"CVSS 8.6"},{"name":"Exploited","at":null,"detail":"No exploitation reported"},{"name":"Advisories","at":null,"detail":"None yet"},{"name":"Vendor Response","at":null,"detail":"None in sources yet"},{"name":"Resolved","at":null,"detail":"After 14 quiet days"}],"signals":[{"at":"2026-11-07T09:17:14.890Z","source":"C6","sourceName":"NVD CVE API 2.0","role":"Database","severity":3,"title":"CVE-2026-123957 (CVSS 8.6)","text":"A vulnerability was determined in TOTOLINK CA300-PoE 6.2c.884. Impacted is the function setIpQosRules of the file /cgi-bin/cstecgi.cgi. This manipulation of the argument ipStart causes buffer overflow. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized.","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-123957"},{"at":"2026-11-07T09:30:41.000Z","source":"C29","sourceName":"CIRCL Vulnerability-Lookup","role":"Database","severity":2,"title":"GHSA-wxh7-x4wq-j3rp / CVE-2026-123957","text":"A vulnerability was determined in TOTOLINK CA300-PoE 6.2c.884. Impacted is the function setIpQosRules of the file /cgi-bin/cstecgi.cgi. This manipulation of the argument ipStart causes buffer overflow. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may…","url":"https://vulnerability.circl.lu/vuln/GHSA-wxh7-x4wq-j3rp"}],"crowd":[],"reference":{"nvd":{"published":"2026-11-07T09:17:14.890","score":8.6,"severity":"HIGH","desc":"A vulnerability was determined in TOTOLINK CA300-PoE 6.2c.884. Impacted is the function setIpQosRules of the file /cgi-bin/cstecgi.cgi. This manipulation of the argument ipStart causes buffer overflow. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may…","product":"","seen":1794047929228},"kev":null,"epss":null,"p0":false},"mergedInto":null,"publisher":"Event Monitor Cyber"}