Realtek Jungle SDK Exploit Attempts Deliver Cling Botnet With STUN-Based C2
Attackers exploiting Realtek Jungle SDK flaws are deploying the Cling botnet, which hides C2 in STUN traffic.
A vulnerability was found in TBK DVR-4104 and DVR-4216 up to 20240412 and classified as critical. This issue affects some unknown processing of the file /device.rsp?opt=sys&cmd=___S_O_S_T_R_E_A_MAX___. The manipulation of the argument mdb/mdc leads to os command injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-260573 was assigned to this vulnerability.
Attackers exploiting Realtek Jungle SDK flaws are deploying the Cling botnet, which hides C2 in STUN traffic.
Cling IoT botnet hides operator commands in spoofed Google STUN replies while exploiting exposed routers and DVRs.
Cling botnet malware disguises its commands as Google STUN traffic on compromised IoT devices.
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