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CVE-2025-12196: CWE-787 in WatchGuard Fireware OS

0
High
VulnerabilityCVE-2025-12196cvecve-2025-12196cwe-787
Published: 12/04/2025 (12/04/2025, 21:45:29 UTC)
Source: CVE Database V5
Vendor/Project: WatchGuard
Product: Fireware OS

Description

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.

CVSS v4.0

Score 8.6high

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
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:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Affected software

Affected versions
=12.0=12.5=2025.12025.112.0

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/11/2026, 15:19:06 UTC

Technical Analysis

This vulnerability (CWE-787) in WatchGuard Fireware OS involves an out-of-bounds write in the command-line interface (CLI) component. An authenticated user with privileged access can exploit this flaw by issuing a specially crafted CLI command, potentially leading to arbitrary code execution. The CVSS 4.0 vector indicates network attack vector, low attack complexity, no user interaction, and high privileges required. The vulnerability is confirmed published with no known exploits reported.

Potential Impact

Successful exploitation allows an authenticated privileged user to execute arbitrary code on the affected system, which could lead to full system compromise or disruption of the Fireware OS functionality. The high CVSS score reflects the significant risk posed by this vulnerability if exploited.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or official fix information is provided, users should monitor WatchGuard advisories for updates. In the meantime, restrict privileged CLI access to trusted administrators only and consider additional access controls to limit exposure.

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Technical Details

Data Version
5.2
Assigner Short Name
WatchGuard
Date Reserved
2025-10-24T21:42:13.925Z
Cvss Version
4.0
State
PUBLISHED

Threat ID: 693202972bd9ee5f78f6ba26

Added to database: 12/04/2025, 21:52:23 UTC

Last enriched: 08/11/2026, 15:19:06 UTC

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

Views: 192

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