{"id":"CVE-2026-19812","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-19812","summary":"A weakness has been identified in TOTOLINK A800R 4.1.2cu.5137_B20200730. This affects the function UploadCustomModule of the file /cgi-bin/cstecgi.cgi of the component product.so. This…","details":"A weakness has been identified in TOTOLINK A800R 4.1.2cu.5137_B20200730. This affects the function UploadCustomModule of the file /cgi-bin/cstecgi.cgi of the component product.so. This manipulation of the argument File causes stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks.","published":"2026-08-14T08:17:38.263","modified":"2026-08-14T08:17:38.263","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/UploadCustomModule.md"},{"type":"WEB","url":"https://vuldb.com/cve/CVE-2026-19812"},{"type":"WEB","url":"https://vuldb.com/submit/869428"},{"type":"WEB","url":"https://vuldb.com/vuln/389948"},{"type":"WEB","url":"https://vuldb.com/vuln/389948/cti"},{"type":"WEB","url":"https://www.totolink.net/"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-08-14T08:17:38.263"}}