{"id":"CVE-2026-79911","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-79911","generatedAt":"2026-10-28T02:24:01.861Z","title":"A security vulnerability has been detected in TOTOLINK N600R 4.3.0cu.7647_B20210106.","description":"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":"2026-08-25T23:17:59.000Z","lastModified":"2026-08-27T17:20:49.000Z","status":"Deferred","sourceIdentifier":"cna@vuldb.com","cvss":{"version":"4.0","score":9.3,"severity":"CRITICAL","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-119","CWE-121"],"affected":[],"epss":{"score":0.01096,"percentile":0.65332,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (1.10%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"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","source":"cna@vuldb.com"},{"url":"https://vuldb.com/cve/CVE-2026-79911","source":"cna@vuldb.com"},{"url":"https://vuldb.com/submit/881258","source":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/395061","source":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/395061/cti","source":"cna@vuldb.com"},{"url":"https://www.totolink.net/","source":"cna@vuldb.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-79911","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}