CVE-2025-26408

Unprotected JTAG Interface

State: Published
Severity: 6.1 Medium
Published: Feb 11, 2025
Updated: Nov 3, 2025
Reserved: Feb 10, 2025

Description

The JTAG interface of Wattsense Bridge devices can be accessed with physical access to the PCB. After connecting to the interface, full access to the device is possible. This enables an attacker to extract information, modify and debug the device's firmware. All known versions are affected.

Scores

CVSS	Score	Vector	Source
3.1	6.1 Medium	CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N	CISA-ADP

Weaknesses

CWE-1191 On-Chip Debug and Test Interface With Improper Access Control

Affected Products

Product	Versions
Wattsense BridgeWattsense	*Affected

References

https://r.sec-consult.com/wattsensethird-party-advisory
https://support.wattsense.com/hc/en-150/articles/13366066529437-Release-Notesrelease-notes
http://seclists.org/fulldisclosure/2025/Feb/9

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