{"id":"CVE-2026-71933","title":"Multiple DrayTek VigorSwitch models contain unauthorized operation vulnerabilities in multiple syslog functions","summary":"Multiple DrayTek VigorSwitch models contain unauthorized operation vulnerabilities in multiple syslog functions. The vulnerability is caused by missing authorization checks. A remote attacker can trigger these vulnerabilities via crafted…","severity":"critical","cvss":9.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","cwe":["CWE-862"],"published":"2026-08-24","updated":"2026-10-12","sourceUpdated":"2026-10-12T22:10:00.247","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-71933","references":[{"url":"https://www.draytek.com/about/security-advisory/multiple-vulnerabilities-in-vigorswitch-series-august-2026/","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/draytek-vigorswitch-multiple-models-missing-authorization-in-syslog-functions","label":"disclosure@vulncheck.com"}],"tags":["nvd"],"epss":0.00553,"epssPercentile":0.44561,"ingestedAt":"2026-10-12T23:07:25.624Z","slug":"CVE-2026-71933","body":"## Overview\n\nMultiple DrayTek VigorSwitch models contain unauthorized operation vulnerabilities in multiple syslog functions. The vulnerability is caused by missing authorization checks. A remote attacker can trigger these vulnerabilities via crafted requests to modify configuration, restart services, save startup configuration, or clear logs.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":50,"depthScoreParts":{"impact":50.1,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}