CVE-2021-20126: DrayTek VigorConnect

High severity, CVSS 8.8. EPSS: 0.6% chance of exploitation in the next 30 days.

Draytek VigorConnect 1.6.0-B3 lacks cross-site request forgery protections and does not sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request.

Affected products

• DrayTek VigorConnect: version 1.6.0 only

Published 2021-10-13. Last modified 2026-06-17.