CRITICALMalware
Global

Realtek Jungle SDK Exploit Attempts Deliver Cling Botnet With STUN-Based C2

·Source: The Hacker News

Updated:

Executive Summary

Threat actors have been observed attempting to exploit a now-patched critical security flaw impacting the Realtek Jungle software development kit (SDK) to deploy a botnet malware called Cling. "Cling is notable not because it introduces a new propagation technique, but because it repurposes ordinary STUN behavior into a practical command-and-control channel," Nozomi Networks said in a report

Analysis

Threat actors have been observed attempting to exploit a now-patched critical security flaw impacting the Realtek Jungle software development kit (SDK) to deploy a botnet malware called Cling. "Cling is notable not because it introduces a new propagation technique, but because it repurposes ordinary STUN behavior into a practical command-and-control channel," Nozomi Networks said in a report
Source Attribution

Originally published by The Hacker News on Oct 5, 2026.

Related Threats