> Realtek Jungle SDK Exploit Attempts Deliver Cling Botnet With STUN-Based C2
[DATE: 05/10/2026 11:46]
[LANGUAGE: EN]
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