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CISA KEV · Known exploitedCritical

CVE-2022-26318

WatchGuard Firebox and XTM Appliances

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.

CVSS
9.8
EPSS
78.2%
99.5% percentile
CISA KEV
Listed
Published
2022.03.05
PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV
Exploit probability78.2%
Technical severityCVSS 9.8

Vulnerability overview

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.

Affected product and versions

Product
WatchGuard Firebox and XTM Appliances
Affected versions
>= 12.0.0 < 12.1.3, >= 12.5 < 12.5.9, >= 12.7.0 < 12.7.2, 12.1.3, 12.5.9, 12.7.2
Fixed versions
12.1.3, 12.5.9, 12.7.2

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
CISA required action

Apply updates per vendor instructions.

Due date: 2022.04.15
  1. 1
    Identify

    Confirm that WatchGuard Firebox and XTM Appliances and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-122
KEV added
2022.03.25
Ransomware use
미확인
CVE-2022-26318 — WatchGuard Firebox and XTM Appliances | SECUFOCUS NOW