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

CVE-2022-26318 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2022-03-25

An unauthenticated remote attacker can execute arbitrary code on WatchGuard Firebox and XTM appliances. The vulnerability stems from a flaw in the Fireware OS and is tracked internally as FBX-22786.

Technologies: Watchguard Firebox, Watchguard XTM Appliances. Vendors: Watchguard.

Quick answers

Is CVE-2022-26318 exploited in the wild?
Yes. CVE-2022-26318 is known to be exploited in the wild, first recorded on 25 March 2022. Treat it as urgent.
How severe is CVE-2022-26318?
Critical severity, with a CVSS score of 9.8, published 25 March 2022.
Which products and versions are affected?
WatchGuard 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; WatchGuard Firebox; WatchGuard XTM Appliances.
Is there a fix for CVE-2022-26318?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2022-26318 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2022-26318?
Check whether you run Watchguard Firebox or Watchguard XTM Appliances. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • WatchGuard 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
  • WatchGuard Firebox
  • WatchGuard XTM Appliances

Timeline

  • 2022-03-15: disclosed: Initial NIST analysis date
  • 2022-03-25: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2022-03-25: advisory: NVD publication date

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.