CVE-2025-11838
HIGH EPSS 33.2%
Published Dec 4, 20256mo ago · Modified Jun 17, 20261w ago
8.7 CVSS 4.0
Published Dec 4, 2025 6mo ago
Last Modified Jun 17, 2026 1w ago
Description
A memory corruption vulnerability in WatchGuard Fireware OS may allow an unauthenticated attacker to trigger a Denial of Service (DoS) condition in the Mobile User VPN with IKEv2 and the Branch Office VPN using IKEv2 when configured with a dynamic gateway peer. This vulnerability affects Fireware OS 12.6.1 up to and including 12.11.4 and 2025.1 up to and including 2025.1.2.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/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:X Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
33.2% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-763
Affected Products 33
| Vendor | Product | Version | Range |
|---|---|---|---|
| watchguard | fireware | * | ≥2025.1 – <2025.1.3 |
| watchguard | firebox_t115-w | * | any |
| watchguard | firebox_t125 | * | any |
| watchguard | firebox_t125-w | * | any |
| watchguard | firebox_t145 | * | any |
| watchguard | firebox_t145-w | * | any |
| watchguard | firebox_t185 | * | any |
| watchguard | fireware | * | ≥12.0.0 – <12.11.5 |
| watchguard | firebox_m270 | * | any |
| watchguard | firebox_m290 | * | any |
| watchguard | firebox_m370 | * | any |
| watchguard | firebox_m390 | * | any |
| watchguard | firebox_m440 | * | any |
| watchguard | firebox_m4600 | * | any |
| watchguard | firebox_m470 | * | any |
| watchguard | firebox_m4800 | * | any |
| watchguard | firebox_m5600 | * | any |
| watchguard | firebox_m570 | * | any |
| watchguard | firebox_m5800 | * | any |
| watchguard | firebox_m590 | * | any |
| watchguard | firebox_m670 | * | any |
| watchguard | firebox_m690 | * | any |
| watchguard | firebox_nv5 | * | any |
| watchguard | firebox_t20 | * | any |
| watchguard | firebox_t25 | * | any |
| watchguard | firebox_t40 | * | any |
| watchguard | firebox_t45 | * | any |
| watchguard | firebox_t55 | * | any |
| watchguard | firebox_t70 | * | any |
| watchguard | firebox_t80 | * | any |
| watchguard | firebox_t85 | * | any |
| watchguard | fireboxcloud | * | any |
| watchguard | fireboxv | * | any |
References 1
- watchguard.com https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00018
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.