Vulnerability · Published Feb 11, 2025 · Assigned by SEC-VLab

CVE-2025-26409Access to Bootloader and Shell Over Serial Interface

Medium 6.8

In plain English

A medium-severity security flaw in Wattsense Bridge from Wattsense. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 27% of all known vulnerabilities).

Severity (CVSS 3.1)6.8Medium
Exploit odds (30 days)0.3%top 73.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
Wattsense Wattsense Bridge 0 – before 6.4.1

Weakness: CWE-1299, CWE-1191 · Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References