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TechRadar
TechRadar
Sead Fadilpašić

Worrying WatchGuard VPN bug could let hackers hijack your devices - here's how to stay safe

Best free Linux firewalls.
  • CVE-2025-9242 allows unauthenticated remote code execution on WatchGuard Fireware devices
  • Vulnerability affects VPN configurations using IKEv2 with dynamic gateway peers
  • Businesses should patch affected versions and restrict internet access to essential devices only

WatchGuard Fireware, the operating system powering much of WatchGuard’s software, carried a critical severity vulnerability that allowed threat actors to execute arbitrary code remotely and essentially take over compromised devices, the company has warned.

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