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Zbtlink

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high advisory

ENDLESSDOORS Vulnerability Affecting Zbtlink Routers

Multiple Zbtlink router models are susceptible to the ENDLESSDOORS root implant, which leverages the rctl remote control tool for unauthorized access and persistent phone-home capabilities.

CPE2801 Firmware +19 firmware-vulnerability implant router network-security informational
1t
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.

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