{"id":"CVE-2026-79911","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-79911","summary":"A security vulnerability has been detected in TOTOLINK N600R 4.3.0cu.7647_B20210106. The affected element is the function setSystemConfig of the file /cgi-bin/cstecgi.cgi of the component…","details":"A security vulnerability has been detected in TOTOLINK N600R 4.3.0cu.7647_B20210106. The affected element is the function setSystemConfig of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument Hostname leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used.","published":"2026-08-25T23:17:59.490","modified":"2026-08-25T23:17:59.490","cvss":{"score":10,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/TOTOLINK_N600R_cstecgi_strcpy_sprintf_Multi_Function_Stack_Overflow.md"},{"type":"WEB","url":"https://vuldb.com/cve/CVE-2026-79911"},{"type":"WEB","url":"https://vuldb.com/submit/881258"},{"type":"WEB","url":"https://vuldb.com/vuln/395061"},{"type":"WEB","url":"https://vuldb.com/vuln/395061/cti"},{"type":"WEB","url":"https://www.totolink.net/"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-08-25T23:17:59.490"}}