CVE-2025-26410

Weak Hard-coded Credentials

Published Feb 11, 2025 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Description
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.

Remediation

Vendor Solution

This issue is fixed in recent firmware versions BSP >= 6.4.1.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-4193 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.
History
Type Values Removed Values Added
Metrics epss

{'score': 0.00069}

epss

{'score': 0.00077}

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title Weak Hard-coded Credentials
Weaknesses CWE-798
References

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Weaknesses

Sources

Status
PUBLISHED
Assigner
SEC-VLab
Published
Updated
Nov 3, 2025, 9:12 PM
Reserved
Feb 10, 2025, 7:48 AM
Status
Deferred
Published
Feb 11, 2025, 10:15 AM
Modified
Jun 17, 2026, 9:01 AM