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CVE-2025-1547: CWE-121 in WatchGuard Fireware OS

0
High
VulnerabilityCVE-2025-1547cvecve-2025-1547cwe-121
Published: 12/04/2025 (12/04/2025, 22:11:09 UTC)
Source: CVE Database V5
Vendor/Project: WatchGuard
Product: Fireware OS

Description

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.

CVSS v4.0

Score 7.5high

Attack Vector
Network
Attack Complexity
High
Attack Requirements
Present
Privileges Required
High
User Interaction
None
Vuln. Confidentiality
High
Vuln. Integrity
High
Vuln. Availability
High
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
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

Affected software

Affected versions
=12.0=12.612.0

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/11/2026, 15:23:37 UTC

Technical Analysis

This vulnerability (CWE-121) in WatchGuard Fireware OS arises from a stack-based buffer overflow in the certificate request command interface. An authenticated user with high privileges can exploit this flaw by crafting malicious CLI commands to execute arbitrary code on the affected system. The CVSS 4.0 base score is 7.5, reflecting high severity with network attack vector, high attack complexity, and requiring privileged authentication. The vulnerability affects Fireware OS versions 12.0 and 12.6 as explicitly stated.

Potential Impact

Successful exploitation could lead to arbitrary code execution by an authenticated privileged user, potentially compromising the affected device's integrity and control. This could allow an attacker to execute unauthorized commands or disrupt normal device operations.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or workaround information is provided, users should monitor WatchGuard's official advisories for updates. Until a fix is available, restrict privileged CLI access to trusted administrators only.

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Technical Details

Data Version
5.2
Assigner Short Name
WatchGuard
Date Reserved
2025-02-21T10:16:59.942Z
Cvss Version
4.0
State
PUBLISHED

Threat ID: 693209ac2bd9ee5f78fe683b

Added to database: 12/04/2025, 22:22:36 UTC

Last enriched: 08/11/2026, 15:23:37 UTC

Last updated: 09/10/2026, 19:36:49 UTC

Views: 140

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