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critical advisory

Unauthenticated RCE in Zbtlink Router Firmware

Multiple Zbtlink router models contain an unauthenticated command injection vulnerability in the infosrvd service, enabling root-level remote code execution via crafted UDP packets.

WE1326 +15
2t 1c
critical advisory

Zbtlink Router Firmware Contains Embedded ENDLESSDOORS Implant

Zbtlink router firmware ships with the ENDLESSDOORS remote-control implant, which runs as root, masquerades as a kernel process, and enables unauthenticated remote command execution.

PoC Router Firmware +20 supply-chain firmware backdoors remote-access-trojan network-security
3t 1c updated