Home/CVE/A serial interface can be accessed with physical access to the PCB of Wattsense Bridge devices. After connecting to the
CVE

CVE-2025-26409

A serial interface can be accessed with physical access to the PCB of Wattsense Bridge devices. After connecting to the

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.

MEDIUM · CVSS 6.8 EPSS 0.00164
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-1191On-Chip Debug and Test Interface With Improper Access Control
CWE-1299Missing Protection Mechanism for Alternate Hardware Interface
CWE-1299Missing Protection Mechanism for Alternate Hardware Interface
▣

Scoring & Timeline

6.8
MEDIUM · CVSS v3.1 · 551230f0-3615-47bd-b7cc-93e92e730bbf
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD11 Feb 2025 · 10:15 AM
CVSS VectorCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
no
Technical impact
total
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🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://r.sec-consult.com/wattsense
https://support.wattsense.com/hc/en-150/articles/13366066529437-Release-Notes
http://seclists.org/fulldisclosure/2025/Feb/9
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