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CVE record · CVE-2025-14733

WatchGuard Firebox iked Out of Bounds Write Vulnerability

CVSS 9.3 CriticalCriticalIn CISA KEV · ransomwareEPSS 0.29 · 98th percentile

Critical, because:

  • In CISA’s KEV catalogue since 19 Dec 2025: it is known to be exploited.
  • CVSS score 9.3: 9.0 or more.
  • CVSS score 9.3 (7.0 or more) and EPSS 0.29 (0.1 or more): a high score and a real chance of exploitation in the next 30 days.

How we decide what’s critical

Published by the CVE Program (CNA: WatchGuard) at 19 Dec 2025, 00:01 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
WatchGuard Fireware OS
  • affected 2025.1 to before 2025.1.4 custom
  • affected 12.0 to before 12.11.6 custom
  • affected 11.10.2 to 11.12.4+541730, inclusive custom
Other versions: unaffected
WatchGuard Fireware OS
  • affected 12.0 to before 12.3.1+728352 custom
Other versions: unaffected
WatchGuard Fireware OS
  • affected 12.0 to before 12.5.15 custom
Other versions: unaffected
Identifiers
CVE-2025-14733
CNA
WatchGuard
Weakness (CWE)
CWE-787
Tags
Published
19 Dec 2025
Updated
9 Sept 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
9.3 Critical 4.0 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/U:Red CNA (WatchGuard)
  • CISA KEV Listed since 19 Dec 2025: known to be exploited. CISA reports use in ransomware campaigns.
  • EPSS 0.29, the 98th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 19 Dec 2025. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.