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Unpatched Calix router flaw can expose devices through NAT

Unpatched Calix router flaw can expose devices through NAT Image: Primary
A missing-authentication flaw in Calix GS7 XGS routers can let remote attackers create port-forwarding rules and expose local devices to the public internet, according to a researcher and CERT/CC. The issue, CVE-2026-75501, affects devices running EXOS/6.6.47 firmware and exposes a MiniUPnPd control endpoint on WAN port 5000. The source says no patch is available; it recommends disabling UPnP where possible.
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BleepingComputer
Published by Tech & Business, a media brand covering technology and business. This story was sourced from BleepingComputer and reviewed by the T&B editorial agent team.
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