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CVE-2025-14733: WatchGuard Firebox Out of Bounds Write Vulnerability
WatchGuard Firebox · in CISA KEV since 2025-12-19
2025-12-19added to KEV
2025-12-26federal remediation due date
26.51%EPSS exploit probability (30 days) 97.9th percentile
9.3 CRITICALCVSS 4.0
Knownknown ransomware use
0days from NVD publication to KEV
What it is
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 (CISA)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
| CWE | CWE-787 |
|---|---|
| CVSS vector | 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:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Red |
| NVD published | 2025-12-19 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2025-14733.json · all KEV CVEs
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Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.