{"id":"CVE-2026-4976","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-4976","generatedAt":"2026-10-28T02:13:37.043Z","title":"A vulnerability was found in Totolink LR350 9.3.5u.6369_B20220309.","description":"A vulnerability was found in Totolink LR350 9.3.5u.6369_B20220309. This vulnerability affects the function setWiFiGuestCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ssid results in buffer overflow. The attack can be launched remotely. The exploit has been made public and could be used.","published":"2026-03-27T21:17:28.000Z","lastModified":"2026-10-26T22:10:00.000Z","status":"Analyzed","sourceIdentifier":"cna@vuldb.com","cvss":{"version":"4.0","score":7.4,"severity":"HIGH","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/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-120"],"affected":["totolink/lr350 firmware"],"epss":{"score":0.00666,"percentile":0.51562,"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 (0.67%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://lavender-bicycle-a5a.notion.site/TOTOLINK-LR350-setWiFiGuestCfg-32153a41781f8048a918c1c78e95064e?source=copy_link","tags":["Exploit","Third Party Advisory"],"source":"cna@vuldb.com"},{"url":"https://vuldb.com/?ctiid.353863","tags":["Permissions Required","VDB Entry"],"source":"cna@vuldb.com"},{"url":"https://vuldb.com/?id.353863","tags":["Third Party Advisory","VDB Entry"],"source":"cna@vuldb.com"},{"url":"https://vuldb.com/?submit.778274","tags":["Third Party Advisory","VDB Entry"],"source":"cna@vuldb.com"},{"url":"https://www.totolink.net/","tags":["Product"],"source":"cna@vuldb.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-4976","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."}