NVD

CVE-2025-11838 Detail

Modified

This CVE record has been updated after NVD enrichment efforts were completed. Enrichment data supplied by the NVD may require amendment due to these changes.

Current 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.

View Analysis Description

Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.

CVSS 4.0 Severity and Vector Strings:

NIST: NVD

N/A

NVD assessment not yet provided.

Nist CVSS score does not match with CNA score

CNA: WatchGuard Technologies, Inc.

CVSS-B 8.7 HIGH

Vector: 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

CVSS 3.x Severity and Vector Strings:

NIST: NVD

Base Score: 7.5 HIGH

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS 2.0 Severity and Vector Strings:

National Institute of Standards and Technology

NIST: NVD

Base Score: N/A

NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00018	WatchGuard Technologies, Inc.	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-763	Release of Invalid Pointer or Reference	WatchGuard Technologies, Inc.

Known Affected Software Configurations Switch to CPE 2.2

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Change History

3 change records found show changes

Initial Analysis by NIST 12/10/2025 10:40:02 AM

Action	Type	New Value
Added	CVSS V3.1	AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Added	CPE Configuration	AND OR cpe:2.3:o:watchguard:fireware::::::::* versions from (including) 12.0.0 up to (excluding) 12.11.5 OR cpe:2.3:h:watchguard:firebox_t55:-:::::::* cpe:2.3:h:watchguard:firebox_t70:-:::::::* cpe:2.3:h:watchguard:firebox_t20:-:::::::* cpe:2.3:h:watchguard:firebox_t40:-:::::::* cpe:2.3:h:watchguard:firebox_t80:-:::::::* cpe:2.3:h:watchguard:firebox_m440:-:::::::* cpe:2.3:h:watchguard:firebox_m270:-:::::::* cpe:2.3:h:watchguard:firebox_m370:-:::::::* cpe:2.3:h:watchguard:firebox_m470:-:::::::* cpe:2.3:h:watchguard:firebox_m570:-:::::::* cpe:2.3:h:watchguard:firebox_m670:-:::::::* cpe:2.3:h:watchguard:firebox_m290:-:::::::* cpe:2.3:h:watchguard:firebox_m390:-:::::::* cpe:2.3:h:watchguard:firebox_m590:-:::::::* cpe:2.3:h:watchguard:firebox_m690:-:::::::* cpe:2.3:h:watchguard:firebox_m4800:-:::::::* cpe:2.3:h:watchguard:firebox_m5800:-:::::::* cpe:2.3:h:watchguard:fireboxcloud:-:::::::* cpe:2.3:h:watchguard:fireboxv:-:::::::* cpe:2.3:h:watchguard:firebox_m4600:-:::::::* cpe:2.3:h:watchguard:firebox_m5600:-:::::::* cpe:2.3:h:watchguard:firebox_nv5:-:::::::* cpe:2.3:h:watchguard:firebox_t25:-:::::::* cpe:2.3:h:watchguard:firebox_t45:-:::::::* cpe:2.3:h:watchguard:firebox_t85:-:::::::*
Added	CPE Configuration	AND OR cpe:2.3:o:watchguard:fireware::::::::* versions from (including) 2025.1 up to (excluding) 2025.1.3 OR cpe:2.3:h:watchguard:firebox_t115-w:-:::::::* cpe:2.3:h:watchguard:firebox_t125:-:::::::* cpe:2.3:h:watchguard:firebox_t125-w:-:::::::* cpe:2.3:h:watchguard:firebox_t145:-:::::::* cpe:2.3:h:watchguard:firebox_t145-w:-:::::::* cpe:2.3:h:watchguard:firebox_t185:-:::::::*
Added	Reference Type	WatchGuard Technologies, Inc.: https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00018 Types: Vendor Advisory

Quick Info

CVE Dictionary Entry:
CVE-2025-11838
NVD Published Date:
12/04/2025
NVD Last Modified:
12/15/2025
Source:
WatchGuard Technologies, Inc.

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Information Technology Laboratory

National Vulnerability Database

National Vulnerability Database

CVE-2025-11838 Detail

Current Description

Analysis Description

Metrics

References to Advisories, Solutions, and Tools

Weakness Enumeration

Known Affected Software Configurations Switch to CPE 2.2

CPEs loading, please wait.

Change History

CVE Modified by WatchGuard Technologies, Inc. 12/15/2025 7:16:01 PM

Initial Analysis by NIST 12/10/2025 10:40:02 AM

New CVE Received from WatchGuard Technologies, Inc. 12/04/2025 5:15:46 PM

Quick Info