An Out-of-bounds Write vulnerability in WatchGuard Fireware OS 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.This vulnerability affects Fireware OS 11.10.2 up to and including 11.12.4_Update1, 12.0 up to and including 12.11.3 and 2025.1.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is in the KEV database since Nov. 12, 2025.

The EPSS score is 0.66535.

Exploitation active

Automatable yes

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
WatchGuard Fireware OS unaffected
Version Status Constraints
12.0 affected ≤ 12.11.3
11.10.2 affected ≤ 11.12.4+541730
2025.0 affected ≤ 2025.1

Configuration 1 [-]

AND
cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:*
OR cpe:2.3:h:watchguard:firebox_m270:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_m290:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_m370:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_m390:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_m440:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_m4600:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_m470:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_m4800:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_m5600:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_m570:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_m5800:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_m590:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_m670:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_m690:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_nv5:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_t20:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_t25:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_t40:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_t45:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_t55:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_t70:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_t80:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_t85:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:fireboxcloud:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:fireboxv:*:*:*:*:*:*:*:*

Configuration 2 [-]

AND
cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:*
OR cpe:2.3:h:watchguard:firebox_t15:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_t35:*:*:*:*:*:*:*:*

Configuration 3 [-]

AND
cpe:2.3:o:watchguard:fireware:2025.1:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*:*

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors Products
Watchguard Subscribe
Fireware Subscribe

Project Subscriptions

Vendors Products
Watchguard Subscribe
Firebox M270 Subscribe
Firebox M290 Subscribe
Firebox M370 Subscribe
Firebox M390 Subscribe
Firebox M440 Subscribe
Firebox M4600 Subscribe
Firebox M470 Subscribe
Firebox M4800 Subscribe
Firebox M5600 Subscribe
Firebox M570 Subscribe
Firebox M5800 Subscribe
Firebox M590 Subscribe
Firebox M670 Subscribe
Firebox M690 Subscribe
Firebox Nv5 Subscribe
Firebox T115-w Subscribe
Firebox T125 Subscribe
Firebox T125-w Subscribe
Firebox T145 Subscribe
Firebox T145-w Subscribe
Firebox T15 Subscribe
Firebox T185 Subscribe
Firebox T20 Subscribe
Firebox T25 Subscribe
Firebox T35 Subscribe
Firebox T40 Subscribe
Firebox T45 Subscribe
Firebox T55 Subscribe
Firebox T70 Subscribe
Firebox T80 Subscribe
Firebox T85 Subscribe
Fireboxcloud Subscribe
Fireboxv Subscribe
Fireware Subscribe
Advisories
Source ID Title
EUVD EUVD EUVD-2025-29699 An Out-of-bounds Write vulnerability in WatchGuard Fireware OS 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.This vulnerability affects Fireware OS 11.10.2 up to and including 11.12.4_Update1, 12.0 up to and including 12.11.3 and 2025.1.
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/watchtowrlabs/watchTowr-vs-WatchGuard-CVE-2025-9242/blob/main/watchTowr-vs-WatchGuard-CVE-2025-9242.py cve-icon cve-icon
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-9242 cve-icon cve-icon
https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00015 cve-icon cve-icon
History

Thu, 13 Nov 2025 15:15:00 +0000

Type Values Removed Values Added
First Time appeared Watchguard firebox M270
Watchguard firebox M290
Watchguard firebox M370
Watchguard firebox M390
Watchguard firebox M440
Watchguard firebox M4600
Watchguard firebox M470
Watchguard firebox M4800
Watchguard firebox M5600
Watchguard firebox M570
Watchguard firebox M5800
Watchguard firebox M590
Watchguard firebox M670
Watchguard firebox M690
Watchguard firebox Nv5
Watchguard firebox T115-w
Watchguard firebox T125
Watchguard firebox T125-w
Watchguard firebox T145
Watchguard firebox T145-w
Watchguard firebox T15
Watchguard firebox T185
Watchguard firebox T20
Watchguard firebox T25
Watchguard firebox T35
Watchguard firebox T40
Watchguard firebox T45
Watchguard firebox T55
Watchguard firebox T70
Watchguard firebox T80
Watchguard firebox T85
Watchguard fireboxcloud
Watchguard fireboxv
CPEs cpe:2.3:h:watchguard:firebox_m270:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_m290:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_m370:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_m390:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_m440:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_m4600:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_m470:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_m4800:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_m5600:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_m570:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_m5800:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_m590:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_m670:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_m690:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_nv5:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_t115-w:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_t125-w:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_t125:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_t145-w:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_t145:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_t15:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_t185:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_t20:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_t25:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_t35:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_t40:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_t45:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_t55:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_t70:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_t80:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:firebox_t85:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:fireboxcloud:*:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:fireboxv:*:*:*:*:*:*:*:*
cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:*
cpe:2.3:o:watchguard:fireware:2025.1:*:*:*:*:*:*:*
Vendors & Products Watchguard firebox M270
Watchguard firebox M290
Watchguard firebox M370
Watchguard firebox M390
Watchguard firebox M440
Watchguard firebox M4600
Watchguard firebox M470
Watchguard firebox M4800
Watchguard firebox M5600
Watchguard firebox M570
Watchguard firebox M5800
Watchguard firebox M590
Watchguard firebox M670
Watchguard firebox M690
Watchguard firebox Nv5
Watchguard firebox T115-w
Watchguard firebox T125
Watchguard firebox T125-w
Watchguard firebox T145
Watchguard firebox T145-w
Watchguard firebox T15
Watchguard firebox T185
Watchguard firebox T20
Watchguard firebox T25
Watchguard firebox T35
Watchguard firebox T40
Watchguard firebox T45
Watchguard firebox T55
Watchguard firebox T70
Watchguard firebox T80
Watchguard firebox T85
Watchguard fireboxcloud
Watchguard fireboxv
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Wed, 12 Nov 2025 17:45:00 +0000

Type Values Removed Values Added
Metrics kev

{'dateAdded': '2025-11-12T00:00:00+00:00', 'dueDate': '2025-12-03T00:00:00+00:00'}

Wed, 12 Nov 2025 15:15:00 +0000

Type Values Removed Values Added
References
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

 ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'active', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Thu, 16 Oct 2025 13:15:00 +0000

Type Values Removed Values Added
References
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

 ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Thu, 18 Sep 2025 12:45:00 +0000

Type Values Removed Values Added
First Time appeared Watchguard
Watchguard fireware
Vendors & Products Watchguard
Watchguard fireware

Wed, 17 Sep 2025 13:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Wed, 17 Sep 2025 08:00:00 +0000

Type Values Removed Values Added
Title WatchGuard Firebox IKEv2 VPN Pre-Authentication Remote Code Execution WatchGuard Firebox iked Out of Bounds Write Vulnerability

Wed, 17 Sep 2025 07:45:00 +0000

Type Values Removed Values Added
Description An Out-of-bounds Write vulnerability in WatchGuard Fireware OS 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.This vulnerability affects Fireware OS 11.10.2 up to and including 11.12.4_Update1, 12.0 up to and including 12.11.3 and 2025.1.
Title WatchGuard Firebox IKEv2 VPN Pre-Authentication Remote Code Execution
Weaknesses CWE-787
References
Metrics cvssV4_0

{'score': 9.3, '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: WatchGuard

Published:

Updated: 2025-11-14T22:30:31.226Z

Reserved: 2025-08-20T11:08:20.724Z

Link: CVE-2025-9242

cve-icon Vulnrichment

Updated: 2025-09-17T12:57:15.519Z

cve-icon NVD

Status : Analyzed

Published: 2025-09-17T08:15:33.960

Modified: 2025-11-14T02:00:02.350

Link: CVE-2025-9242

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-09-18T12:41:57Z

Weaknesses