CVE-2025-13940: WatchGuard Firebox Boot Time System Integrity Check Bypass
WatchGuard · Fireware OS
Vendor fix available · Affected: WatchGuard Fireware OS · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 3% of scored CVEs
DescriptionCVE.org
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.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- WatchGuard · Fireware OSfrom 2025.1 before 2025.1.3; from 12.8.1 before 12.11.5
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- WatchGuard
- Published
- December 2025
CoverageNo articles yet
No CyberSIXT article names CVE-2025-13940 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.