Mobble
Technology · Cybersecurity · published 2026-08-28 · via Tom's Hardware

Researchers uncover three backdoor implants in ZBT routers

VulnCheck discovered three backdoor-like implants in firmware for routers made by Shenzhen Zhibotong Electronics, which are sold under many brands globally. One implant, dubbed ENDLESSDOORS, can execute arbitrary commands as root and automatically connects to a command-and-control server. The vulnerability carries a CVSS score of 9.3 and affects at least 20 router models.

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This summary is AI-generated and original to Mobble; the linked article is the authoritative source. Original headline: “Security researchers find surveillance implants in Chinese-made routers sold worldwide — three different backdoor-like implants hidden in firmware.” Browse more stories.