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

Cybersecurity researchers have disclosed details of a "factory-shipped backdoor" implanted in at least 20 Chinese router models from Zbtlink. According to a new report from VulnCheck, the implant appears in all 21 firmware images currently available from Zbtlink that span more than 2 years. The...

CVE-2026-66747 ENDLESSDOORS: Zbtlink Router rctl/kworker Phone-Home Root Implant

Zbtlink router firmware ships an embedded remote-control implant, ENDLESSDOORS, present in every published build across the product line. It is the open-source ycsunjane/rctl tool built in as an OpenWrt package librctl.so, started at boot and run as root under the process name kworker to blend in...

Exploit for Argument Injection in Gnu Inetutils

CVE-2026-24061 — Reproduction Lab ⚠️ For educational purp...

CVE-2025-25736

The CVE-2025-25736 entry affects Kapsch TrafficCom RIS-9260 RSU LEO software versions 3.2.0.829.23, 3.8.0.1119.42, and 4.6.0.1211.28. The root cause is pre-installed and enabled Android Debug Bridge (ADB) at /mnt/c3platpersistent/opt/platform-tools/adb, allowing unauthenticated root shell access ...