CP-XR-DE21-S 4G Router Insecure UART Console Protection Vulnerability

A vulnerability exists in the CP-XR-DE21-S 4G Router running firmware version 1.031.022, due to inadequate security measures for the UART console. This flaw enables local attackers to access the UART port through a serial connection, allowing them to read the entire boot sequence and disclose internal system details and sensitive information, all without requiring authentication.

Impact

Exploitation of this vulnerability could lead to unauthorized access to sensitive information, including internal system details and data revealed during the boot sequence.