CVE-2025-12196 HIGH

CVE-2025-12196: WatchGuard Firebox Authenticated Out of Bounds Write in Management CLI Ping Command

Vendor Watchguard
Product Fireware OS
Weakness CWE-787
Published December 4, 2025
Last update February 26, 2026
View on NVD All CVEs

CVSS base score

8.6/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

01Description

An Out-of-bounds Write vulnerability in WatchGuard Fireware OS's CLI could allow an authenticated privileged user to execute arbitrary code via a specially crafted CLI command.This vulnerability affects Fireware OS 12.0 up to and including 12.11.4, 12.5 up to and including 12.5.13, and 2025.1 up to and including 2025.1.2.

Key dates

02Disclosure timeline

December 4, 2025 CVE published
February 26, 2026 Record updated