Vulnerability details
CVE-2025-4106
WatchGuard Fireware OS
WatchGuard Firebox leftover debug code vulnerability
CVSS 4.0
8.9High
Official 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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 8.9High | 4.0 | CVEProject cvelistV5 (CNA) (WatchGuard) | 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 |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| WatchGuard | Fireware OS | 12.0 ≤ v < 12.11.3 | CVEProject cvelistV5 (CNA) |
| WatchGuard | Fireware OS | 12.0 ≤ v < 12.5.13 | CVEProject cvelistV5 (CNA) |
References and advisories
2- https://psirt.watchguard.com/CVE-2025-4106 vendor-advisory
- https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00010 vendor-advisory
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Details
- Published
- 2025-10-25
- Last updated
- 2026-08-08
- State
- Published
- Assigner (CNA)
- WatchGuard
Exploit prediction (EPSS)
0.32%
Probability of exploitation in 30 days
25.4%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-489