PT-2025-38127 · Watchguard · Watchguard Fireware

Btaol

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Published

2025-09-17

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Updated

2025-09-18

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CVE-2025-9242

CVSS v4.0
9.3
VectorAV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

**Name of the Vulnerable Software and Affected Versions:**

WatchGuard Fireware OS versions 11.10.2 through 11.12.4 Update1

WatchGuard Fireware OS versions 12.0 through 12.11.3

WatchGuard Fireware OS version 2025.1

**Description:**

An out-of-bounds write vulnerability exists in WatchGuard Fireware OS, potentially allowing a remote, unauthenticated attacker to execute arbitrary code. The vulnerability impacts the Mobile User VPN with IKEv2 and the Branch Office VPN using IKEv2 when configured with a dynamic gateway peer. It is estimated that over 1.2 million systems are vulnerable worldwide. The flaw resides in the `iked` process.

**Recommendations:**

WatchGuard Fireware OS versions 11.10.2 through 11.12.4 Update1: Apply the latest updates provided by WatchGuard.

WatchGuard Fireware OS versions 12.0 through 12.11.3: Apply the latest updates provided by WatchGuard.

WatchGuard Fireware OS version 2025.1: Apply the latest updates provided by WatchGuard.

Fix

RCE

Memory Corruption

Weakness Enumeration

Related Identifiers

CVE-2025-9242

Affected Products

Watchguard Fireware