{"id":"CVE-2026-121599","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-121599","summary":"A vulnerability was detected in TOTOLINK A950RG 4.1.2cu.5268_B20221104. Affected is the function setWiFiMultipleConfig/delWiFiMultipleConfig of the file /cgi-bin/cstecgi.cgi of the…","details":"A vulnerability was detected in TOTOLINK A950RG 4.1.2cu.5268_B20221104. Affected is the function setWiFiMultipleConfig/delWiFiMultipleConfig of the file /cgi-bin/cstecgi.cgi of the component Multi-SSID Configuration. The manipulation of the argument wepkey2/wepkey3 results in stack-based buffer overflow. It is possible to launch the attack remotely. The exploit is now public and may be used.","published":"2026-11-04T01:17:23.413","modified":"2026-11-04T01:17:23.590","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/44673654282c9b21bc8971bab7e4b8a3"},{"type":"WEB","url":"https://vuldb.com/cve/CVE-2026-121599"},{"type":"WEB","url":"https://vuldb.com/submit/1022561"},{"type":"WEB","url":"https://vuldb.com/vuln/430441"},{"type":"WEB","url":"https://vuldb.com/vuln/430441/cti"},{"type":"WEB","url":"https://www.totolink.net/"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-11-04T01:17:23.590"}}