CVE-2021-20127: DrayTek VigorConnect

High severity, CVSS 8.1. EPSS: 1.1% chance of exploitation in the next 30 days.

An arbitrary file deletion vulnerability exists in the file delete functionality of the Html5Servlet endpoint of Draytek VigorConnect 1.6.0-B3. This allows an authenticated user to arbitrarily delete files in any location on the target operating system with root privileges.

Affected products

• DrayTek VigorConnect: version 1.6.0 only

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