PT-2025-6173 · Wattsense · Wattsense Bridge

Constantin Schieber-Knöbl + 2 · Published 2025-02-11 · Updated 2025-02-11 · CVE-2025-26409

Positive Technologies (AI Summary)

CVSS v3.1

6.8

Medium

Base vector

AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions: Wattsense Bridge devices versions prior to BSP 6.4.1

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.

Recommendations: For versions prior to BSP 6.4.1, update to a recent firmware version BSP >= 6.4.1 to resolve the issue. As a temporary workaround, consider restricting physical access to the PCB of Wattsense Bridge devices to minimize the risk of exploitation.

Fix

Weakness Enumeration

CWE-1191

CWE-1299

Related Identifiers

CVE-2025-26409

Affected Products

Wattsense Bridge

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2025-26409 · Security Note
• https://t.me/cvenotify/110773 · Telegram Post
• https://twitter.com/CVEnew/status/1889248319731363888 · Twitter Post
• https://r.sec-consult.com/wattsense · Note
• https://support.wattsense.com/hc/en-150/articles/13366066529437-Release-Notes · Note
• http://seclists.org/fulldisclosure/2025/Feb/9 · Note