CVE-2022-26318On WatchGuard Firebox and XTM appliances, an unauthenticated user can execute arbitrary code, aka FBX-22786.
Updated under an hour ago ()
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It affects watchguard fireware. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Mar 25, 2022; federal agencies had to remediate by Apr 15, 2022. Treat that date as your deadline.
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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 CRITICAL (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Added to CISA KEV Mar 25, 2022; federal remediation due Apr 15, 2022Apply updates per vendor instructions.
- EPSS (exploitation in the next 30 days)
- 78.16% (percentile 100)
- Assigned by
- mitre
- NVD analysis
- Analyzed
- Record last updated
- Oct 21, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
watchguard fireware watchguard:fireware | from 12.0.0 before 12.1.3; from 12.5 before 12.5.9; from 12.7.0 before 12.7.2; 12.1.3; 12.1.3; 12.1.3; 12.1.3; 12.1.3; and 5 more ranges | NVD |
References
- https://www.watchguard.com/support/release-notes/fireware/12/en-US/EN_ReleaseNotes_Fireware_12_7_2/index.html#Fireware/en-US/resolved_issues.htmlx-refsource-confirm, release-notes, vendor-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26318us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.