6.5mediumMedium

CVE-2026-4315

Watchguard Fireware

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.

Exploitation status

  • A vendor advisory or patch reference has been published.

What the metrics mean

  • It is reachable over a network, without needing local access.
  • For an attacker who can reach it, no special conditions are needed to exploit it.
  • To exploit it, no account is needed.
  • Beyond that, someone has to be persuaded to take an action first.

Scoring

CVSS
6.5 (v3.1)
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS v4
7.1
Weakness
CWE-352
Assigned by
5d1c2695-1a31-4499-88ae-e847036fd7e3

Dates

Published
2026-03-30
Last modified
2026-08-28
Sources
NVD

Affected products

  • Watchguard Fireware2025.1 - 2026.2, 12.5 - 12.5.18, 11.8 - 11.12.4, 11.12.4, 12.0 - 12.12
  • Watchguard Firebox M295all versions
  • Watchguard Firebox M395all versions
  • Watchguard Firebox M495all versions
  • Watchguard Firebox M595all versions
  • Watchguard Firebox M695all versions
  • Watchguard Firebox T115-Wall versions
  • Watchguard Firebox T125all versions
  • Watchguard Firebox T125-Wall versions
  • Watchguard Firebox T145all versions
  • Watchguard Firebox T145-Wall versions
  • Watchguard Firebox T185all versions

As listed in the NVD configuration data. Not a statement about your estate.

References