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CVE-2025-13940 (GCVE-0-2025-13940)

Vulnerability from cvelistv5 – Published: 2025-12-04 21:47 – Updated: 2026-08-10 16:04
VLAI
Title
WatchGuard Firebox Boot Time System Integrity Check Bypass
Summary
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.
Severity
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
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-05 15:44 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version CPE status
WatchGuard Fireware OS Affected: 2025.1 , < 2025.1.3 (custom)
Affected: 12.8.1 , < 12.11.5 (custom)
    cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:*
    cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2025-12-04 21:47
Credits
Discovered internally by WatchGuard
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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