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CVE-2025-13940

WatchGuard Firebox Boot Time System Integrity Check Bypass

CVSS score

6.7

EPSS probability

%0.1

Risk score

0.0

Published

10 mo ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline
Patch status has not yet been verified

Resmî kaynaklarda yeterli kanıt bulunamadı. Bu sonuç “yama yok” anlamına gelmez.

Impact on My Inventory

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Vulnerability description

DayBreach CVE AI Research

CVE-2025-13940 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.

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.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2025-13940 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1watchguardFireware OS View
2watchguardfireware View
3watchguardfirebox t115-w View
4watchguardfirebox t125 View
5watchguardfirebox t125-w View
6watchguardfirebox t145 View
7watchguardfirebox t145-w View
8watchguardfirebox t185 View
9watchguardfireware View
10watchguardfirebox m270 View
11watchguardfirebox m290 View
12watchguardfirebox m370 View
13watchguardfirebox m390 View
14watchguardfirebox m440 View
15watchguardfirebox m4600 View
16watchguardfirebox m470 View
17watchguardfirebox m4800 View
18watchguardfirebox m5600 View
19watchguardfirebox m570 View
20watchguardfirebox m5800 View
21watchguardfirebox m590 View
22watchguardfirebox m670 View
23watchguardfirebox m690 View
24watchguardfirebox nv5 View
25watchguardfirebox t20 View
26watchguardfirebox t25 View
27watchguardfirebox t40 View
28watchguardfirebox t45 View
29watchguardfirebox t55 View
30watchguardfirebox t70 View
31watchguardfirebox t80 View
32watchguardfirebox t85 View
33watchguardfireboxcloud View
34watchguardfireboxv View
Total affected vendors: 1|Products: 34

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCOREVERSIONSEVERITYVECTORSOURCE
6.7CVSS V4_0MEDIUMCVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:NCVE CNA
6.7CVSS V40MEDIUMCVSS: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:XNVD
5.5CVSS V31MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:NNVD

Patch and Remediation Guide

Solution & Remediation Advisory

Patch status unknown

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Until a patch is confirmed, follow the vendor advisory; do not read an unknown status as “no patch”.
Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-13940 is associated with the following CWEs:

CWE-440: Common Weakness Enumeration Entry CWE-440

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-13940 weaknesses.

CAPEC-66: SQL InjectionCAPEC-126: Path TraversalCAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureYerel erişim
PermissionsHigh
UserGerekmiyor

Official Sources and Advisories

https://psirt.watchguard.com/CVE-2025-13940vendor-advisoryhttps://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00026vendor-advisory

CVSS Vector Radar Chart

6.7 / 10
Attack VectorLocalComplexityLowPrivilegesHighUser Interact.NoneConfidentialityLowIntegrityNoneAvailabilityNone

Vulnerability Scoring Details

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
Attack VectorLocal
Attack ComplexityLow
Privileges RequiredHigh privileges
User InteractionNone required
Confidentiality (Gizlilik)Low
Integrity (Bütünlük)None
Availability (Erişilebilirlik)None

Yama durumu bilinmiyor

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

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Weakness Type (CWE & CAPEC)

CWE-440

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CVE-2025-13940 · WatchGuard Firebox Boot Time System Integrity Check Bypass · DayBreach