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CVE-2025-9242

Critical · CVSS 9.8EPSS 86.4%CISA KEVCWE-787 · Out-of-bounds Write

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

An Out-of-bounds Write vulnerability in WatchGuard Fireware OS may allow a remote unauthenticated attacker to execute arbitrary code. This vulnerability affects both the Mobile User VPN with IKEv2 and the Branch Office VPN using IKEv2 when configured with a dynamic gateway peer.This vulnerability affects Fireware OS 11.10.2 up to and including 11.12.4_Update1, 12.0 up to and including 12.11.3 and 2025.1.

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Community real-world severity: Critical (Critical 3) — CVSS base score 9.8

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    Same weaknessCWE-787 · Out-of-bounds Write.