{"id":"CVE-2026-121600","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-121600","summary":"A flaw has been found in TOTOLINK A950RG 4.1.2cu.5268_B20221104. Affected by this vulnerability is the function setMacFilterRules of the file /cgi-bin/cstecgi.cgi of the component MAC…","details":"A flaw has been found in TOTOLINK A950RG 4.1.2cu.5268_B20221104. Affected by this vulnerability is the function setMacFilterRules of the file /cgi-bin/cstecgi.cgi of the component MAC Filter Handler. This manipulation of the argument addEffect causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been published and may be used.","published":"2026-11-04T01:17:23.647","modified":"2026-11-04T01:17:23.823","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://gist.github.com/H3rmesk1t/217c00b12e04fcde07c453a55579f808"},{"type":"WEB","url":"https://vuldb.com/cve/CVE-2026-121600"},{"type":"WEB","url":"https://vuldb.com/submit/1022562"},{"type":"WEB","url":"https://vuldb.com/vuln/430442"},{"type":"WEB","url":"https://vuldb.com/vuln/430442/cti"},{"type":"WEB","url":"https://www.totolink.net/"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-11-04T01:17:23.823"}}