What is the CVSS score of CVE-2025-1547?

CVE-2025-1547 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: 0.0%.

Which versions of Fireware are affected by CVE-2025-1547?

A critical vulnerability in WatchGuard Fireware OS allows authenticated administrators to execute arbitrary code through specially crafted CLI commands, potentially compromising firewall integrity…

How to fix or mitigate CVE-2025-1547?

Within 24 hours: Audit administrator access logs for suspicious certificate request commands and restrict CLI access to essential personnel only. Within 7 days: Implement network segmentation to limit administrator access to firewall management interfaces and consider disabling certificate request functionality if operationally feasible. Within 30 days: Contact WatchGuard for patch ETA, evaluate upgrade paths to unaffected versions, and develop incident response procedures for potential firewall compromise.

Fireware CVE-2025-1547

EUVD-2025-201291 HIGH

Stack-based Buffer Overflow (CWE-121)

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

RCE Buffer Overflow Stack Overflow 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-2025-201291

Analysis Generated

Mar 15, 2026 - 16:35 vuln.today

CVE Published

Dec 04, 2025 - 22:15 nvd

HIGH 7.2

DescriptionCVE.org

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.

Analysis

Technical ContextAI

A buffer overflow occurs when data written to a buffer exceeds its allocated size, potentially overwriting adjacent memory and corrupting program state. This vulnerability is classified as Stack-based Buffer Overflow (CWE-121).