Unpatched Calix flaw lets hackers bypass NAT to expose internal devices

BleepingComputer by Bill Toulas 25 August 2026, 00:14 EEST Security Networking

An unpatched vulnerability in Calix GS7 XGS (GS5239XG) residential routers used by multiple U.S. broadband providers allows remote, unauthenticated attackers to create port-forwarding rules that can expose local network devices to the public internet.

Read the full story on BleepingComputer https://www.bleepingcomputer.com/news/security/unpatched-calix-flaw-lets-hackers-bypass-nat-to-expose-internal-devices/

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