What is CVE-2022-26318?

CVE-2022-26318 is a critical-severity vulnerability in Watchguard Fireware. CVSS score: 9.8/10. Published 2022-03-04.

How severe is CVE-2022-26318?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2022-26318 known to be exploited?

Yes. CVE-2022-26318 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-25), indicating it is being actively exploited. 21 public proof-of-concept repositories are indexed.

Vulnerability in Watchguard Fireware

CVE-2022-26318

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.

EPSS: 0.783 (99.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Watchguard Fireware — versions 12.1.3, 12.5.9, 12.7.2
N/a — versions n/a

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2022-03-25. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2022-04-15.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

cve@mitre.org (x_refsource_CONFIRM, Release Notes, Vendor Advisory)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)

Frequently asked questions

What is CVE-2022-26318?: CVE-2022-26318 is a critical-severity vulnerability in Watchguard Fireware. CVSS score: 9.8/10. Published 2022-03-04.
How severe is CVE-2022-26318?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2022-26318 known to be exploited?: Yes. CVE-2022-26318 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-25), indicating it is being actively exploited. 21 public proof-of-concept repositories are indexed.