Oct 19, 2026 · 16:00 UTC SEARCH
UNRATED KNOWN EXPLOITED RANSOMWARE USE
Vulnerability intelligence

CVE-2025-14733

VendorWatchGuard
ProductFirebox
Known exploitedYes
Added to CISA KEVDecember 19, 2025
KEV due dateDecember 26, 2025
Known ransomware useKnown

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.

Required action

Apply 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 status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities Catalog. Known ransomware campaign use: Known.

Stay Ahead of the Threat Landscape

Breach intelligence, vulnerability alerts, and original analysis — delivered as it happens.