Unpatched Calix flaw lets hackers bypass NAT to expose internal devices
Executive Summary
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 expose local network devices to the public internet.
Intelligence Metadata - Source Publisher: Bleeping Computer - Published Date: 2026-08-24T21:14:30+00:00 - Category: threat-intel
Original Description: 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. [...]
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Source: Bleeping Computer