SB2025121911 - Remote code execution in WatchGuard Firebox iked



SB2025121911 - Remote code execution in WatchGuard Firebox iked

Published: December 19, 2025

Security Bulletin ID SB2025121911
CSH Severity
Critical
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Critical 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Out-of-bounds write (CVE-ID: CVE-2025-14733)

CWE-ID: CWE-787 - Out-of-bounds write

CVSSv4: 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/E:A/U:Red


The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error within the iked process. A remote attacker can send specially crafted IKEv2 packets to the system, trigger an out-of-bounds write and execute arbitrary code.

Note, the vulnerability is being actively exploited in the wild. 


Remediation

Install update from vendor's website.