TI-2025-19365 Aliases CVE-2025-26408 GHSA-hrwq-g9x9-jmq2

Unprotected JTAG Interface

MEDIUM 62CWE-1191Published 2025-02-11 · Updated 2025-11-03

Key facts

Attack vector: Physical
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · High · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00294 22nd percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Wattsense	Wattsense Bridge	all versions	—	No fix listed	CNA

Wattsense Bridge VendorWattsense Affected all versions Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2025-26408
2026-10-03 Alias added: GHSA-hrwq-g9x9-jmq2

References

Advisory 1

https://r.sec-consult.com/wattsense

Other 1

https://support.wattsense.com/hc/en-150/articles/13366066529437-Release-Notes

TI-2025-19367 Weak hard-coded credentials in Wattsense Bridge CVSS 3.1CRITICAL 9.8
TI-2025-19368 Authenticated Arbitrary Python File Upload via Plugin Manager CVSS 3.1HIGH 8.8
TI-2025-19366 Access to Bootloader and Shell Over Serial Interface CVSS 3.1MEDIUM 6.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences