CVE-2026-4315 in WatchGuard Fireware OSinfo

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.This issue affects Fireware OS: 11.8 through 11.12.4+541730, 12.0 through 12.11.8, and 2025.1 through 2026.1.2.

Responsible

WatchGuard

Reservation

03/17/2026

Disclosure

03/30/2026

Entries

VulDB provides additional information and datapoints for this CVE:

ID	Vulnerability	CWE	Exp	Cou	CVE
354179	WatchGuard Fireware OS WebUI cross-site request forgery	352	Not defined	Not defined	CVE-2026-4315

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