Vendor
WatchGuard: actively exploited vulnerabilities
4 vulnerabilities in WatchGuard products are listed in CISA’s catalog of actively exploited vulnerabilities, 1 of them used by ransomware. Latest addition on December 19, 2025: CVE-2025-14733 (Firebox).
- 4 exploited vulnerabilities in the catalog
- 2 added in the last 12 months
- 1 used by ransomware
- 3 products affected
Affected products
- Firebox2
- Firebox and XTM1
- Firebox and XTM Appliances1
All exploited vulnerabilities
CISA KEV catalog, newest first: each entry corresponds to observed exploitation.
2025 2 vulnerabilities
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CVE-2025-14733Used by ransomwareWatchGuard Firebox Out of Bounds Write Vulnerability
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CVE-2025-9242WatchGuard Firebox Out-of-Bounds Write Vulnerability
2022 2 vulnerabilities
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CVE-2022-23176WatchGuard Firebox and XTM Privilege Escalation Vulnerability
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CVE-2022-26318WatchGuard Firebox and XTM Appliances Arbitrary Code Execution
What to do
If your estate includes any of these products, make sure the vendor’s patches are applied, starting with the most recent vulnerabilities and those used by ransomware, then look for signs of compromise: an exploited vulnerability has often been used before it was fixed.
Additions from all vendors are tracked on the Actively exploited vulnerabilities page, updated several times a day. Sources: CISA KEV catalog (US public domain) and CERT-FR.