CVE-2025-44039 – CP-XR-DE21-S 4G Router Firmware UART Console Authentication Bypass

The following table lists the changes that have been made to the
CVE-2025-44039 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    May. 13, 2025

    Action Type Old Value New Value
    Added Description CP-XR-DE21-S -4G Router Firmware version 1.031.022 was discovered to contain insecure protections for its UART console. This vulnerability allows local attackers to connect to the UART port via a serial connection, read all boot sequence, and revealing internal system details and sensitive information without any authentication.
    Added Reference https://github.com/Yashodhanvivek/CP-XR-DE21-S–4G-Router-Vulnerabilities/blob/main/input.md
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