Critical [CVE-2025-14733] WatchGuard Firebox iked Out of Bounds Write Vulnerability
This critical-severity WatchGuard advisory covers CVE-2025-14733 affecting Fireware OS.
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Summary
An Out-of-bounds Write vulnerability in the WatchGuard Fireware OS iked process may allow a remote unauthenticated attacker to execute arbitrary code. This vulnerability affects both the mobile user VPN with IKEv2 and the branch office VPN using IKEv2 when configured with a dynamic gateway peer.
CISA Known Exploited Vulnerability
- Listed:
- Dec 19, 2025 · federal remediation due Dec 26, 2025
- 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.
- Ransomware use:
- Unknown
KEV is a prioritization signal from CISA — remediation detail still comes from the vendor advisory.
- Fireware OS 2025.1 before 2025.1.4
- Fireware OS 12.0 before 12.11.6
- Fireware OS 11.10.2 through 11.12.4+541730
- Fireware OS 12.0 before 12.3.1+728352
- Fireware OS 12.0 before 12.5.15
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
- 2025.1.4
- 12.11.6
- 12.3.1+728352
- 12.5.15
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Mitigation
Upgrade to a fixed release: 2025.1.4, 12.11.6, 12.3.1+728352, 12.5.15. That is the remediation for this advisory.
The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Discussion(0)
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