CVE-2022-26318

CriticalPublished

WatchGuard Firebox and XTM Appliances Arbitrary Code Execution

Published: Mar 4, 2022
Updated: Oct 21, 2025
Assigning CNA: mitre
Evidence observed: Mar 25, 2022

Primary CVSS

9.8/ 10Critical

nvd · CVSS 3.1

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

EPSS probability estimate

78.2%

High · next 30 days

Percentile: 99.6%
Model date: Oct 15, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

CISA Known Exploited

This CVE appears in the CISA Known Exploited Vulnerabilities catalog.

Summary

On WatchGuard Firebox and XTM appliances, an unauthenticated user can execute arbitrary code, aka FBX-22786. This vulnerability impacts Fireware OS before 12.7.2_U2, 12.x before 12.1.3_U8, and 12.2.x through 12.5.x before 12.5.9_U2.

Sources

Repository evidence: Files: 1 · Repositories: 1

1 Module

WatchGuard XTM Firebox Unauthenticated Remote Command ExecutionModule
modules/exploits/linux/http/watchguard_firebox_unauth_rce_cve_2022_26318.rb
Metasploit Framework modules
ExploitEvidence observed: Sep 26, 2026Revision: b22ce1fbae63Related tool
Declared conditions
- platform: Unix($.exploit_linux/http/watchguard_firebox_unauth_rce_cve_2022_26318.platform)
- verification: check_declared($.exploit_linux/http/watchguard_firebox_unauth_rce_cve_2022_26318.check)

Watchguard-RCE-POC-CVE-2022-26318PoC
PoC for Watchguard CVE-2022-26318 updated to Python3.12
watchguard_cve-2022-26318

Responsible use

Use vulnerability information only on systems you own or are authorized to test. Kitploit links to public research metadata and does not store exploit code or malicious payloads.