WatchGuard Firebox Boot Time System Integrity Check Bypass
Summary
| CVE | CVE-2025-13940 |
|---|---|
| State | PUBLISHED |
| Assigner | WatchGuard |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2025-12-04 22:15:48 UTC |
| Updated | 2026-08-10 16:19:14 UTC |
| Description | An Expected Behavior Violation [CWE-440] vulnerability in WatchGuard Fireware OS may allow an attacker to bypass the Fireware OS boot time system integrity check and prevent the Firebox from shutting down in the event of a system integrity check failure. The on-demand system integrity check in the Fireware Web UI will correctly show a failed system integrity check message in the event of a failure. |
Risk And Classification
Primary CVSS: v4.0 6.7 MEDIUM from 5d1c2695-1a31-4499-88ae-e847036fd7e3
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Problem Types: CWE-440 | CWE-440 CWE-440
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | 5d1c2695-1a31-4499-88ae-e847036fd7e3 | Secondary | 6.7 | MEDIUM | CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/C... |
| 4.0 | CNA | DECLARED | 6.7 | MEDIUM | CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N |
| 3.1 | [email protected] | Primary | 5.5 | MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |
CVSS v4.0 Breakdown
Attack Vector
LocalAttack Complexity
LowAttack Requirements
NonePrivileges Required
HighUser Interaction
NoneConfidentiality
NoneIntegrity
HighAvailability
NoneSub Conf.
NoneSub Integrity
NoneSub Availability
NoneCVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS v3.1 Breakdown
Attack Vector
LocalAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
HighAvailability
NoneCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Hardware | Watchguard | Firebox T115-w | - | All | All | All |
| Hardware | Watchguard | Firebox T125 | - | All | All | All |
| Hardware | Watchguard | Firebox T125-w | - | All | All | All |
| Hardware | Watchguard | Firebox T145 | - | All | All | All |
| Hardware | Watchguard | Firebox T145-w | - | All | All | All |
| Hardware | Watchguard | Firebox T185 | - | All | All | All |
| Operating System | Watchguard | Fireware | All | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | WatchGuard | Fireware OS | affected 2025.1 2025.1.3 custom | Not specified |
| CNA | WatchGuard | Fireware OS | affected 12.8.1 12.11.5 custom | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00026 | 5d1c2695-1a31-4499-88ae-e847036fd7e3 | www.watchguard.com | Vendor Advisory |
| psirt.watchguard.com/CVE-2025-13940 | 5d1c2695-1a31-4499-88ae-e847036fd7e3 | psirt.watchguard.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Discovered internally by WatchGuard (en)
Additional Advisory Data
Solutions
CNA: Fireware OS 2025.1.3, Fireware OS 12.11.5
Exploits
CNA: WatchGuard is not aware of any exploitation of this vulnerability in the wild.
There are currently no legacy QID mappings associated with this CVE.