CVE-2025-26409
6.8
Vector
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability: 0.9 / Impact: 5.9
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
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.
Related CWEs
CWE-1191
On-Chip Debug and Test Interface With Improper Access Control
The chip does not implement or does not correctly perform access control to check whether users are authorized to access internal registers and test modes through the physical debug/test interface.
CWE-1299
Missing Protection Mechanism for Alternate Hardware Interface
The lack of protections on alternate paths to access
control-protected assets (such as unprotected shadow registers
and other external facing unguarded interfaces) allows an
attacker to bypass existing protections to the asset that are
only performed against the primary path.
References (3)
Source: 551230f0-3615-47bd-b7cc-93e92e730bbf
Source: 551230f0-3615-47bd-b7cc-93e92e730bbf
Source: af854a3a-2127-422b-91ae-364da2661108
Timeline
No history available yet.