CVE-2022-26318: WatchGuard Firebox and XTM Appliances Arbitrary Code Execution

Published Mar 4, 2022
·
Updated

On WatchGuard Firebox and XTM appliances, an unauthenticated user can execute arbitrary code, aka FBX-22786. This vulnerability impacts Fireware OS before 12.7.2U2, 12.x before 12.1.3U8, and 12.2.x through 12.5.x before 12.5.9U2.

Affected Software

15 affected components
WatchGuard Fireware>=12.0.0<12.1.3
WatchGuard Fireware>=12.5.0<12.5.9
WatchGuard Fireware>=12.7.0<12.7.2
WatchGuard Fireware=12.1.3
WatchGuard Fireware=12.1.3-u1
WatchGuard Fireware=12.1.3-u2
WatchGuard Fireware=12.1.3-u3
WatchGuard Fireware=12.1.3-u4
WatchGuard Fireware=12.1.3-u5
WatchGuard Fireware=12.1.3-u6
WatchGuard Fireware=12.1.3-u7
WatchGuard Fireware=12.5.9-u1
WatchGuard Fireware=12.7.2-u1
WatchGuard Firebox and XTM Appliances
WatchGuard Fireware>=12.5<12.5.9

Event History

Mar 4, 2022
CVE Published
via MITRE·05:36 PM
Data Sourced
via MITRE·05:36 PM
Description
Data Sourced
via NVD·06:15 PM
DescriptionSeverityAffected Software
Mar 25, 2022
Known Exploited
via CISA·12:00 AM
Dec 15, 2025
News Published
via The Register·11:34 PM
News Published
via The Register·11:37 PM
Dec 19, 2025
News Published
via The Register·06:16 PM
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Frequently Asked Questions

1

What is CVE-2022-26318?

CVE-2022-26318 is a vulnerability that allows an unauthenticated user to execute arbitrary code on WatchGuard Firebox and XTM appliances.

2

Which products are affected by CVE-2022-26318?

CVE-2022-26318 impacts WatchGuard Firebox and XTM appliances.

3

What is the severity of CVE-2022-26318?

CVE-2022-26318 has a severity rating of critical, with a value of 9.8 out of 10.

4

How can I fix CVE-2022-26318?

To fix CVE-2022-26318, update to Fireware OS version 12.7.2_U2, 12.1.3_U8, or 12.5.9_U2 or later.

5

Where can I find more information about CVE-2022-26318?

You can find more information about CVE-2022-26318 at the following link: [https://www.watchguard.com/support/release-notes/fireware/12/en-US/EN_ReleaseNotes_Fireware_12_7_2/index.html#Fireware/en-US/resolved_issues.html](https://www.watchguard.com/support/release-notes/fireware/12/en-US/EN_ReleaseNotes_Fireware_12_7_2/index.html#Fireware/en-US/resolved_issues.html)

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