{"id":"CVE-2026-19844","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-19844","summary":"A vulnerability was found in TOTOLINK A800R 4.1.2cu.5137_B20200730. The impacted element is the function setRadvdCfg of the file /cgi-bin/cstecgi.cgi of the component ipv6.so. Performing…","details":"A vulnerability was found in TOTOLINK A800R 4.1.2cu.5137_B20200730. The impacted element is the function setRadvdCfg of the file /cgi-bin/cstecgi.cgi of the component ipv6.so. Performing a manipulation of the argument radvdinterfacename results in stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been made public and could be used.","published":"2026-08-14T17:17:35.560","modified":"2026-08-14T17:17:35.560","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://github.com/panda666-888/vuls/blob/main/totolink/a800r/setRadvdCfg.md"},{"type":"WEB","url":"https://vuldb.com/cve/CVE-2026-19844"},{"type":"WEB","url":"https://vuldb.com/submit/869443"},{"type":"WEB","url":"https://vuldb.com/vuln/389980"},{"type":"WEB","url":"https://vuldb.com/vuln/389980/cti"},{"type":"WEB","url":"https://www.totolink.net/"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-08-14T17:17:35.560"}}