CVE-2025-54756

BrightSign Players Use of Default Credentials

Published Feb 12, 2026 CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Solution

BrightSign fixed CVE-2025-54756 in v8.5.53.1 (for series 4 players) and v9.0.166 (for series 5 players). Both of these have been released and are available on the BrightSign download site. https://www.brightsign.biz/contact-us/


Vendor Workaround

BrightSign recommends the following security practices: * Change default passwords when the device is initially set up. * Disable the local DWS as described in "High Security settings". * Disable the SSH/telnet server when not being used - it is not enabled by default. * Devices should be located where an attacker does not have physical access to the device. * SD and USB ports can be disabled if not needed. For more information, please contact BrightSign via their website. https://www.brightsign.biz/contact-us/

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Brightsign
Brightsign brightsign Os Series 4 Players
Brightsign brightsign Os Series 5 Players
Vendors & Products Brightsign
Brightsign brightsign Os Series 4 Players
Brightsign brightsign Os Series 5 Players
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title BrightSign Players Use of Default Credentials
Weaknesses CWE-1392
References
Metrics cvssV3_1

{'score': 8.4, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
icscert
Published
Updated
Feb 12, 2026, 6:45 PM
Reserved
Jul 30, 2025, 7:03 PM
Status
Deferred
Published
Feb 12, 2026, 5:16 PM
Modified
Jun 17, 2026, 9:40 AM