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CVE-2025-9242 — Actively Exploited: Firebox (WatchGuard)

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.

CVE IDCVE-2025-9242
VendorWatchGuard
ProductFirebox
Vulnerability nameWatchGuard Firebox Out-of-Bounds Write Vulnerability
Date added2025-11-12
Remediation due2025-12-03
Known ransomware useUnknown
Required actionApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
DescriptionWatchGuard Firebox contains an out-of-bounds write vulnerability in the OS iked process that may allow a remote unauthenticated attacker to execute arbitrary code.
SourceCISA Known Exploited Vulnerabilities

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