{"id":"CVE-2026-71922","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-71922","summary":"Multiple DrayTek VigorSwitch models contain a pre-authentication null pointer dereference vulnerability in the setget.cgi interface. The vulnerability is caused by missing validation…","details":"Multiple DrayTek VigorSwitch models contain a pre-authentication null pointer dereference vulnerability in the setget.cgi interface. The vulnerability is caused by missing validation when the pass field is absent. A remote attacker can trigger this vulnerability via a crafted request to crash the service and cause a denial of service.","published":"2026-08-24T18:17:07.280","modified":"2026-08-24T18:17:07.280","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://www.draytek.com/about/security-advisory/multiple-vulnerabilities-in-vigorswitch-series-august-2026/"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/draytek-vigorswitch-multiple-models-pre-authentication-null-pointer-dereference-via-setget-cgi"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-08-24T18:17:07.280"}}