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ClingSTUN Turns Vulnerable IoT Devices Into Proxy Nodes

Dark Reading·October 5, 2026·1 min read
ClingSTUN Turns Vulnerable IoT Devices Into Proxy Nodes

A Linux backdoor named ClingSTUN is exploiting 24 known vulnerabilities to compromise IoT devices, turning them into proxy nodes. The malware uses legitimate public STUN servers to hide its command-and-control traffic, making detection harder. Security researchers warn that the technique leverages trusted infrastructure to evade network monitoring, potentially enabling large-scale botnets from unpatched devices.

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