CVE-2026-4315

HIGH

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

Title source: cna

Description

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.

References (1)

[Vendor Advisory] https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00006

Scores

CVSS v4 7.1

EPSS 0.0007

EPSS Percentile 22.2%

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-352

Status published

Products (4)

WatchGuard/Fireware OS 11.8 - 11.12.4+541730

WatchGuard/Fireware OS 12.0 - 12.11.8

WatchGuard/Fireware OS 12.5 - 12.5.17

WatchGuard/Fireware OS 2025.1 - 2026.1.2

Published Mar 30, 2026

Tracked Since Mar 30, 2026