Breach404
Back to Insights
Cybersecurity2 min readAugust 6, 2026

Chinese-Made Zbtlink Routers Ship With Backdoor That Opens Unauthenticated Root Shells

Zbtlink routers manufactured in China contain a built-in backdoor that allows attackers to gain complete administrative access to the device without requiring any authentication credentials. Organizations and individuals using these routers should immedia

Could your website be vulnerable to attacks like this?

Run a free 10-point security scan on your site - headers, SSL, DNS, and more. Results in 15 seconds.

Test Your Site Now - It's Free