What is the CVSS score of CVE-2025-12195?

CVE-2025-12195 has a CVSS 3.1 base score of 7.2 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.1%.

Which versions of Fireware are affected by CVE-2025-12195?

WatchGuard Firewall devices running vulnerable Fireware OS versions face a critical remote code execution risk if privileged administrators are compromised or act maliciously.

How to fix or mitigate CVE-2025-12195?

Within 24 hours: Audit administrative access logs for suspicious IPSec configuration changes and restrict CLI access to essential personnel only. Within 7 days: Identify all affected WatchGuard devices and document their versions; contact WatchGuard for patch availability and deployment timeline. Within 30 days: Implement compensating controls including network segmentation to limit firewall administrative access, enforce multi-factor authentication for administrative accounts, and consider temporary disabling of IPSec CLI configuration until patches are available.

Fireware CVE-2025-12195

EUVD-2025-201306 HIGH

Out-of-bounds Write (CWE-787)

2025-12-04 5d1c2695-1a31-4499-88ae-e847036fd7e3

RCE Buffer Overflow Memory Corruption Fireware

7.2

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.2 HIGH

AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

EUVD ID Assigned

Mar 15, 2026 - 16:35 euvd

EUVD-2025-201306

Analysis Generated

Mar 15, 2026 - 16:35 vuln.today

CVE Published

Dec 04, 2025 - 22:15 nvd

HIGH 7.2

DescriptionCVE.org

An Out-of-bounds Write vulnerability in WatchGuard Fireware OS's CLI could allow an authenticated privileged user to execute arbitrary code via specially crafted IPSec configuration CLI commands.This vulnerability affects Fireware OS 11.0 up to and including 11.12.4+541730, 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.

Analysis

Technical ContextAI

An out-of-bounds memory access occurs when code reads from or writes to memory locations outside the intended buffer boundaries. This vulnerability is classified as Out-of-bounds Write (CWE-787).