CVE-2016-6154: WatchGuard Fireware

Medium severity, CVSS 6.1. EPSS: 0.9% chance of exploitation in the next 30 days.

The authentication applet in Watchguard Fireware 11.11 Operating System has reflected XSS (this can also cause an open redirect).

Affected products

• WatchGuard Fireware: up to and including 11.11

Published 2019-08-23. Last modified 2026-06-17.