CVE-2025-1547 HIGH

CVE-2025-1547: WatchGuard Firebox Authenticated Stack Overflow in Certificate Request Command

Vendor Watchguard
Product Fireware OS
Weakness CWE-121
Published December 4, 2025
Last update February 26, 2026

CVSS base score

7.5/10
Attack vector Network
Attack complexity High
Privileges required High
User interaction None
Confidentiality
Integrity

CVSS vector

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

What the vulnerability does

01Description

A stack-based buffer overflow vulnerability [CWE-121] in WatchGuard Fireware OS's certificate request command could allow an authenticated privileged user to execute arbitrary code via specially crafted CLI commands.This issue affects Fireware OS: from 12.0 through 12.5.12+701324, from 12.6 through 12.11.2.

Key dates

02Disclosure timeline

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