Home

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.

PUBLISHED Reserved 2025-07-30 | Published 2026-02-12 | Updated 2026-02-12 | Assigner icscert




HIGH: 8.4CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

HIGH: 8.6CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Problem types

CWE-1392

Product status

Default status
unaffected

Any version before v8.5.53.1
affected

Default status
unaffected

Any version before v9.0.166
affected

Credits

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

References

www.cisa.gov/news-events/ics-advisories/icsa-25-126-03

www.brightsign.biz/resources/software-downloads/

github.com/...p/csaf_files/OT/white/2025/icsa-25-126-03.json

cve.org (CVE-2025-54756)

nvd.nist.gov (CVE-2025-54756)

Download JSON