Backdoor Found in the Firmware for These Wi-Fi Routers. And There's No Patch

Backdoor Found in the Firmware for These Wi-Fi Routers. And There's No Patch

A vulnerability report warns that five versions of Tenda firmware contain an 'undocumented authentication backdoor' that a hacker could use to gain full admin access over an affected router.

Hidden backdoor in Tenda routers goes unpatched as company ignores warnings from cybersecurity researchers — Chinese company's firmware allows admin access without a password

The CERT Coordination Center (CERT/CC), a U.S. government-backed cybersecurity group at Carnegie Mellon University's Software Engineering Institute, disclosed a firmware flaw on July 6 that can hand attackers full administrative control over several Tenda networking devices. The vulnerability, tracked as CVE-2026-11405, is an undocumented authentication backdoor in the affected models' firmware that bypasses the normal login process and grants a…