vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2025-4106

WatchGuard Firebox leftover debug code vulnerability

HIGH
8.9
CVSS Score
Published: October 24, 2025 at 09:32 PM UTC
Updated: October 8, 2026 at 11:10 AM UTC
1 product affected across 1 vendorFireware

Using Fireware OS by WatchGuard?

Get instant alerts when new vulnerabilities affect Fireware OS - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
HIGH8.9
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

An authenticated admin user with access to both the management WebUI and command line interface on a Firebox can enable a diagnostic debug shell by uploading a platform and version-specific diagnostic package and executing a leftover diagnostic command. This issue affects Fireware OS: from 12.0 before 12.11.2.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Fireware· WatchGuard
90%
12.0 ≤ v < 12.11.312.0 ≤ v < 12.5.1312.0
Affected range stops below 12.11.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 12.5.13, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Vendor Advisory
Source: cverecord
https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00010
Vendor Advisory
Source: cverecord
https://psirt.watchguard.com/CVE-2025-4106

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.9HIGHWatchGuard
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-489

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card