High 8.8Known exploited (CISA KEV)Published Feb 23, 2022

CVE-2022-23176WatchGuard Firebox and XTM appliances allow a remote attacker with unprivileged credentials to access the system with a privileged management session via exposed management access.

Updated under an hour ago (Oct 26, 2026, 11:10 PM ET)

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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 Apr 11, 2022; federal agencies had to remediate by May 2, 2022. Treat that date as your deadline.

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Exploited in the last 30 days

WatchGuard Firebox and XTM appliances allow a remote attacker with unprivileged credentials to access the system with a privileged management session via exposed management access. This vulnerability impacts Fireware OS before 12.7.2_U1, 12.x before 12.1.3_U3, and 12.2.x through 12.5.x before 12.5.7_U3.

CVSS: 8.8 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): Not given
Known exploited: Added to CISA KEV Apr 11, 2022; federal remediation due May 2, 2022Apply updates per vendor instructions.
EPSS (exploitation in the next 30 days): 10.80% (percentile 96)
Assigned by: mitre
NVD analysis: Analyzed
Record last updated: Oct 21, 2025
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

watchguard fireware watchguard:fireware	from 12.0.0 before 12.1.3; from 12.2.0 before 12.5.7; 12.1.3; 12.1.3; 12.1.3; 12.5.7; 12.5.7; 12.5.7; and 1 more ranges	NVD

References

References

https://securityportal.watchguard.com	x-refsource-misc, vendor-advisory
https://www.watchguard.com/support/release-notes/fireware/12/en-US/EN_ReleaseNotes_Fireware_12_7/index.html#Fireware/en-US/resolved_issues.html	x-refsource-confirm, release-notes, vendor-advisory
https://www.watchguard.com/support/release-notes/fireware/12/en-US/EN_ReleaseNotes_Fireware_12_7_2/index.html#Fireware/en-US/resolved_issues.html	x-refsource-misc, release-notes, vendor-advisory
https://www.watchguard.com/support/release-notes/fireware/12/en-US/EN_ReleaseNotes_Fireware_12_1_3_U7/index.html#Fireware/en-US/resolved_issues.html	x-refsource-misc, release-notes, vendor-advisory
https://arstechnica.com/information-technology/2022/04/watchguard-failed-to-disclose-critical-flaw-exploited-by-russian-hackers/	x-refsource-misc, third-party-advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-23176	us-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.