{"id":"CVE-2026-82539","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-82539","summary":"A vulnerability was determined in TOTOLINK A720R 4.1.5cu.630_B20250509. This impacts the function setMacFilterRules of the file cstecgi.cgi of the component MAC Filtering. Executing…","details":"A vulnerability was determined in TOTOLINK A720R 4.1.5cu.630_B20250509. This impacts the function setMacFilterRules of the file cstecgi.cgi of the component MAC Filtering. Executing a manipulation of the argument desc can lead to memory corruption. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized.","published":"2026-08-30T11:17:35.067","modified":"2026-08-30T11:17:35.067","cvss":{"score":9.1,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:H/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/Xernary/CVE-2026-82539"},{"type":"WEB","url":"https://vuldb.com/cve/CVE-2026-82539"},{"type":"WEB","url":"https://vuldb.com/submit/888696"},{"type":"WEB","url":"https://vuldb.com/vuln/397055"},{"type":"WEB","url":"https://vuldb.com/vuln/397055/cti"},{"type":"WEB","url":"https://www.totolink.net/"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-08-30T11:17:35.067"}}