Home/CVE/An Out-of-bounds Write vulnerability in WatchGuard Fireware OS’s certificate request command could allow an authentica
CVE

CVE-2025-12026

An Out-of-bounds Write vulnerability in WatchGuard Fireware OS’s certificate request command could allow an authentica

An Out-of-bounds Write vulnerability in WatchGuard Fireware OS’s certificate request command could allow an authenticated privileged user to execute arbitrary code via specially crafted CLI commands.This vulnerability affects Fireware OS 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.

HIGH · CVSS 7.2 EPSS 0.00142
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-787Out-of-bounds Write
▤

Affected Products & Versions

3
watchguard fireware>= 2025.1 and < 2025.1.3
watchguard fireware>= 12.0.0 and < 12.11.5
watchguard fireware>= 12.5 and < 12.5.14
▣

Scoring & Timeline

7.2
HIGH · CVSS v3.1 · 5d1c2695-1a31-4499-88ae-e847036fd7e3
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD04 Dec 2025 · 10:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00017Vendor Advisory
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