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CVE-2025-9242

WatchGuard Firebox Out-of-Bounds Write Vulnerability

9.8
CVSS
92.2%
EPSS (exploit prob.)
99.8%
EPSS percentile
Yes
Actively exploited
No
Ransomware use
2025-11-12
Added
▲ +0.9 pts
30-day EPSS trend

Summary

WatchGuard Firebox contains an out-of-bounds write vulnerability in the OS iked process that may allow a remote unauthenticated attacker to execute arbitrary code.

Affected software

Vendor: WatchGuard  ·  Product: Firebox

Weakness types (CWE):

CWE-787

What to do

This vulnerability appears in CISA's Known Exploited Vulnerabilities catalog, meaning it is being exploited in the wild. Prioritize patching affected systems and verify exposure across your estate.

Related vulnerabilities in WatchGuard

CVENameEPSSExploited
CVE-2022-26318 WatchGuard Firebox and XTM Appliances Arbitrary Code Execution 78.2% Yes
CVE-2025-14733 WatchGuard Firebox Out of Bounds Write Vulnerability 29.4% Yes
CVE-2022-23176 WatchGuard Firebox and XTM Privilege Escalation Vulnerability 10.8% Yes

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Sources: CISA KEV catalog · NVD · FIRST EPSS

This product uses the NVD API but is not endorsed or certified by the NVD.

All information is aggregated from public sources for awareness only and does not constitute an accusation or a security assessment. No personal data or credentials are published.