Cyber Resilience

CVE-2025-26409

Medium

Published: 11 February 2025

Published
11 February 2025
Modified
15 April 2026
KEV Added
Patch
CVSS Score v3.1 6.8 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0016 37.2th percentile
Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-26409 is a medium-severity On-Chip Debug and Test Interface With Improper Access Control (CWE-1191) vulnerability in Sec Consult (inferred from references). Its CVSS base score is 6.8 (Medium).

Operationally, ranked at the 37.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

more

to gain a root shell on the device. This issue is fixed in recent firmware versions BSP >= 6.4.1.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

Sec Consult
inferred from references and description; NVD did not file a CPE for this CVE

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-1191 CWE-1299

Directly mitigates exposure of on-chip debug and test interfaces by disabling or removing them.

addresses: CWE-1191

Inspection of on-chip debug/test interfaces can identify tampering or unauthorized access that those interfaces enable.

References