CVE-2025-26409 – Wattsense Bridge Unauthenticated Bootloader Access

The following table lists the changes that have been made to the
CVE-2025-26409 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 551230f0-3615-47bd-b7cc-93e92e730bbf

    Feb. 11, 2025

    Action Type Old Value New Value
    Added Description A serial interface can be accessed with physical access to the PCB of Wattsense Bridge devices. After connecting to the interface, access to the bootloader is possible, as well as a Linux login prompt. The bootloader access can be used to gain a root shell on the device. This issue is fixed in recent firmware versions BSP >= 6.4.1.
    Added CWE CWE-1191
    Added CWE CWE-1299
    Added Reference https://r.sec-consult.com/wattsense
    Added Reference https://support.wattsense.com/hc/en-150/articles/13366066529437-Release-Notes
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