CVE-2025-4106 | BDVDB-2026-299299 Detail

WatchGuardFireware OS

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.

Impact#

Per CVSS v4.0: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

Weaknesses#

CWE-489

References#

Exploit#

No public exploit known

History#

Version 12025-10-24Record published in the CVE List.
Version 22026-08-08Most recent update recorded in the CVE List.

Published

Published: 2025-10-24
Last modified: 2026-08-08

Vendor information

Vendor: WatchGuard
Product: Fireware OS

All WatchGuard vulnerabilities

Score

8.9 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 25.5.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 12.0 and < 12.11.3
Fixed
12.11.3
Vulnerable
>= 12.0 and < 12.5.13
Fixed
12.5.13

Scoring System

CVSS v4.0

8.9 High

CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Attack Requirements	Present
Privileges Required	High
User Interaction	None
Vulnerable System Confidentiality	High
Vulnerable System Integrity	High
Vulnerable System Availability	High
Subsequent System Confidentiality	High
Subsequent System Integrity	High
Subsequent System Availability	High

CVSS v3.1

Not available

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).