CVE-2025-26410

9.8 criticalEPSS 0.7%

Critical (9.8). EPSS 0.7% chance of exploitation in the next 30 days.

The firmware of all Wattsense Bridge devices contain the same hard-coded user and root credentials. The user password can be easily recovered via password cracking attempts. The recovered credentials can be used to log into the device via the login shell that is exposed by the serial interface. The backdoor user has been removed in firmware BSP >= 6.4.1.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 53% of CVEs (scores of 2026-10-31)
CWE: CWE-798
Published: 2025-02-11
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

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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