Security Advisory Detail

WatchGuard Firebox Cross-Site Request Forgery (CSRF) in Fireware Web UI

Advisory ID
WGSA-2026-00006
CVE
CVE-2026-4315
Impact
High
Status
Resolved
Product Family
Firebox
Published Date
Updated Date
Workaround Available
False
CVSS Score
7.1
CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Summary

A Cross-Site Request Forgery (CSRF) vulnerability in the WatchGuard Fireware OS WebUI could allow a remote attacker to trigger a denial-of-service (DoS) condition in the Fireware Web UI by convincing an authenticated administrator into visiting a malicious web page.

Affected

This vulnerability affects Fireware OS 11.8 up to and including 11.12.4_Update1, 12.0 up to and including 12.11.8 and 2025.1 up to and including 2026.1.2.

Resolution
Vulnerable Version Resolved Version
2025.1 2026.2
12.x 12.12
12.5.x (T15 & T35 models) 12.5.18
11.x End of Life
Credits
Simone Paganessi (https://www.linkedin.com/in/simonepaganessi)
Advisory Product List
Product Family Product Branch Product List
Firebox
Fireware OS 12.5.x T15, T35
Firebox
Fireware OS 2025.1.x T115-W, T125, T125-W, T145, T145-W, T185, M295, M395, M495, M595, M695
Firebox
Fireware OS 12.x T20, T25, T40, T45, T55, T70, T80, T85, M270, M290, M370, M390, M470, M570, M590, M670, M690, M440, M4600, M4800, M5600, M5800, Firebox Cloud, Firebox NV5, FireboxV