All vulnerabilities
CVE-2025-14733

WatchGuard Firebox Out of Bounds Write Vulnerability

WatchGuard FireboxNetwork & edge
Open in ThreatlineRecord JSON
CVSS
9.3Critical
ExploitationExploited in the wildAdded to KEV 19 Dec 2025. Known ransomware useCISA KEV
Exploit odds (EPSS)26.5%Chance of exploitation activity in the next 30 days, higher than 98% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in2025.1.4Also 12.11.6, 12.3.1+728352 and 1 moreCVE List
Federal deadline26 Dec 2025Remediation due date for US federal agenciesCISA KEV
CISA required actionApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. CISA KEV

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Timeline

  1. 19 Dec 2025, 00:01 UTCPublishedCVE List
  2. 19 Dec 2025Added to CISA KEVCISA KEV

Description

WatchGuard Fireware OS iked process contains an out of bounds write vulnerability in the OS iked process. This vulnerability may allow a remote unauthenticated attacker to execute arbitrary code and affects both the mobile user VPN with IKEv2 and the branch office VPN using IKEv2 when configured with a dynamic gateway peer.

Text from CVE List

Affected versions 5

  • Fireware OSaffected: 2025.1 before 2025.1.4CVE List
  • Fireware OSaffected: 12.0 before 12.11.6CVE List
  • Fireware OSaffected: 11.10.2 through 11.12.4+541730CVE List
  • Fireware OSaffected: 12.0 before 12.3.1+728352CVE List
  • Fireware OSaffected: 12.0 before 12.5.15CVE List

References 4