CVE-2025-54756 - CVE House
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Status published High CVE-2025-54756

BrightSign Players Use of Default Credentials

Vulnerability Description

BrightSign players running BrightSign OS series 4 prior to v8.5.53.1 or series 5 prior to v9.0.166 use a default password that is guessable with knowledge of the device information. The latest release fixes this issue for new installations; users of old installations are encouraged to change all default passwords.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Adam Merrill, a member of the Adversarial Modeling and Penetration Testing (AMPT) team at Sandia National Laboratories, reported this vulnerability to CISA.

References

More from BrightSign

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CVE-2025-3925
BrightSign Players Execution with Unnecessary Privileges
High 8.5

Affected Vendor

Affected Software

BrightSign OS series 4 players, BrightSign OS series 5 players
Vulnerable Versions:
0

Timeline

Official Publish: February 12th, 2026
Last Modified: February 12th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-1392

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.