Researchers have reported that attackers are trying to exploit a serious vulnerability in the Realtek Jungle software development kit (SDK). This flaw has already been patched, but the exploitation attempts aim to deploy a malware botnet named Cling. What makes Cling notable is its use of standard STUN (Session Traversal Utilities for NAT) protocols to create a command-and-control channel, which is an unusual method for botnet communication. This situation raises concerns for companies using the affected SDK, as it emphasizes the need for timely updates and vigilance against emerging threats. Users and organizations should ensure they have applied all relevant security patches to prevent potential exploitation.