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Vulnerability Details :

CVE-2026-3344

Summary
Assigner-WatchGuard
Assigner Org ID-5d1c2695-1a31-4499-88ae-e847036fd7e3
Published At-03 Mar, 2026 | 13:17
Updated At-03 Mar, 2026 | 14:39
Rejected At-
Credits

WatchGuard Firebox System Integrity Check Bypass

A vulnerability in WatchGuard Fireware OS may allow an attacker to bypass the Fireware OS filesystem integrity check and maintain limited persistence via a maliciously-crafted firmware update package.This issue affects Fireware OS 12.0 up to and including 12.11.7, 12.5.9 up to and including 12.5.16, and 2025.1 up to and including 2026.1.1.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:WatchGuard
Assigner Org ID:5d1c2695-1a31-4499-88ae-e847036fd7e3
Published At:03 Mar, 2026 | 13:17
Updated At:03 Mar, 2026 | 14:39
Rejected At:
▼CVE Numbering Authority (CNA)
WatchGuard Firebox System Integrity Check Bypass

A vulnerability in WatchGuard Fireware OS may allow an attacker to bypass the Fireware OS filesystem integrity check and maintain limited persistence via a maliciously-crafted firmware update package.This issue affects Fireware OS 12.0 up to and including 12.11.7, 12.5.9 up to and including 12.5.16, and 2025.1 up to and including 2026.1.1.

Affected Products
Vendor
WatchGuard Technologies, Inc.WatchGuard
Product
Fireware OS
Default Status
unaffected
Versions
Affected
  • From 12.0 through 12.11.7 (semver)
  • From 12.5.9 through 12.5.16 (semver)
  • From 2025.1 through 2026.1.1 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-440CWE-440: Expected Behavior Violation
Type: CWE
CWE ID: CWE-440
Description: CWE-440: Expected Behavior Violation
Metrics
VersionBase scoreBase severityVector
4.06.9MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Version: 4.0
Base score: 6.9
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Metrics Other Info
Impacts
CAPEC IDDescription
CAPEC-184CAPEC-184 Software Integrity Attack
CAPEC ID: CAPEC-184
Description: CAPEC-184 Software Integrity Attack
Solutions
Configurations
Workarounds
Exploits

WatchGuard is not aware of any exploitation of this issue in the wild.

Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-0005
N/A
Hyperlink: https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-0005
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:5d1c2695-1a31-4499-88ae-e847036fd7e3
Published At:03 Mar, 2026 | 14:15
Updated At:03 Mar, 2026 | 21:52

A vulnerability in WatchGuard Fireware OS may allow an attacker to bypass the Fireware OS filesystem integrity check and maintain limited persistence via a maliciously-crafted firmware update package.This issue affects Fireware OS 12.0 up to and including 12.11.7, 12.5.9 up to and including 12.5.16, and 2025.1 up to and including 2026.1.1.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.06.9MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/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
Type: Secondary
Version: 4.0
Base score: 6.9
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/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
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-440Secondary5d1c2695-1a31-4499-88ae-e847036fd7e3
CWE ID: CWE-440
Type: Secondary
Source: 5d1c2695-1a31-4499-88ae-e847036fd7e3
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00055d1c2695-1a31-4499-88ae-e847036fd7e3
N/A
Hyperlink: https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-0005
Source: 5d1c2695-1a31-4499-88ae-e847036fd7e3
Resource: N/A

Change History

0
Information is not available yet

Similar CVEs

1Records found
CVE-2025-13940
Matching Score-6
Assigner-WatchGuard Technologies, Inc.
ShareView Details
Matching Score-6
Assigner-WatchGuard Technologies, Inc.
CVSS Score-6.7||MEDIUM
EPSS-0.02% / 3.83%
||
7 Day CHG~0.00%
Published-04 Dec, 2025 | 21:47
Updated-10 Dec, 2025 | 16:04
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
WatchGuard Firebox Boot Time System Integrity Check Bypass

An Expected Behavior Violation [CWE-440] vulnerability in WatchGuard Fireware OS may allow an attacker to bypass the Fireware OS boot time system integrity check and prevent the Firebox from shutting down in the event of a system integrity check failure. The on-demand system integrity check in the Fireware Web UI will correctly show a failed system integrity check message in the event of a failure.This issue affects Fireware OS: from 12.8.1 through 12.11.4, from 2025.1 through 2025.1.2.

Action-Not Available
Vendor-WatchGuard Technologies, Inc.
Product-firebox_m390firebox_nv5firebox_m570firewarefirebox_t70firebox_m670firebox_t115-wfirebox_t125-wfirebox_m440firebox_m4600firebox_m470firebox_m5600firebox_t80firebox_m290fireboxvfirebox_t25firebox_t145firebox_m5800firebox_t145-wfirebox_m370firebox_m270fireboxcloudfirebox_m690firebox_t55firebox_t40firebox_t20firebox_m4800firebox_m590firebox_t125firebox_t45firebox_t185firebox_t85Fireware OS
CWE ID-CWE-440
Expected Behavior Violation
Details not found