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CVE-2022-26318: WatchGuard Firebox and XTM Appliances Arbitrary Code Execution
WatchGuard Firebox and XTM Appliances · in CISA KEV since 2022-03-25
2022-03-25added to KEV
2022-04-15federal remediation due date
78.16%EPSS exploit probability (30 days) 99.6th percentile
9.8 CRITICALCVSS 3.1
Unknownknown ransomware use
21days from NVD publication to KEV
What it is
On WatchGuard Firebox and XTM appliances, an unauthenticated user can execute arbitrary code.
Required action (CISA)
Apply updates per vendor instructions.
| CWE | CWE-122 |
|---|---|
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD published | 2022-03-04 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2022-26318.json · all KEV CVEs
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Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.
Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.