WatchGuard has released patches for a critical Fireware OS VPN vulnerability and confirmed attempts to exploit it in the wild.

The issue affects specific IKEv2 configurations and can result in remote, unauthenticated code execution. IoCs and interim mitigations have been published to support incident detection and response efforts.

This case reinforces the ongoing targeting of VPN and edge infrastructure and the importance of continuous monitoring, configuration reviews, and lifecycle management for network appliances.

What detection signals do you rely on most for VPN-level exploitation attempts?

Source: https://thehackernews.com/2025/12/watchguard-warns-of-active-exploitation.html

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