GHSA-ppwv-q25g-vjpxHighCVSS 7.5
Multiple DrayTek VigorSwitch models contain a pre-authentication null pointer dereference...
🔗 CVE IDs covered (1)
📋 Description
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.
🔗 References (4)
- https://nvd.nist.gov/vuln/detail/CVE-2026-71922
- https://www.draytek.com/about/security-advisory/multiple-vulnerabilities-in-vigorswitch-series-august-2026
- https://www.vulncheck.com/advisories/draytek-vigorswitch-multiple-models-pre-authentication-null-pointer-dereference-via-setget-cgi
- https://github.com/advisories/GHSA-ppwv-q25g-vjpx