CVE-2025-54756 HIGH

CVE-2025-54756: BrightSign Players Use of Default Credentials

Vendor Brightsign
Product BrightSign OS series 4 players
Weakness CWE-1392
Published February 12, 2026
Last update February 12, 2026

CVSS base score

8.4/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

February 12, 2026 CVE published
February 12, 2026 Record updated