---
id: CVE-2025-1547
title: >-
  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.
summary: >-
  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.
severity: high
cvss: 7.2
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-121
vendor: watchguard
product: fireware
affected:
  - 'fireware >= 12.0.0, < 12.11.3'
  - 'fireware >= 12.5, < 12.5.13'
patched:
  - fireware 12.5.13
published: '2025-12-04'
updated: '2026-09-25'
sourceUpdated: '2026-09-25T23:10:00.463'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-1547'
references:
  - url: 'https://psirt.watchguard.com/CVE-2025-1547'
    label: 5d1c2695-1a31-4499-88ae-e847036fd7e3
  - url: 'https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00013'
    label: 5d1c2695-1a31-4499-88ae-e847036fd7e3
tags:
  - nvd
epss: 0.00352
epssPercentile: 0.26215
ingestedAt: '2026-09-25T23:21:16.882Z'
---

## Overview

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.

## Affected

- `fireware >= 12.0.0, < 12.11.3`
- `fireware >= 12.5, < 12.5.13`

## Remediation

Upgrade past the affected range:

- `fireware 12.5.13`