CVE-2025-54756

high

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.

References

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

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

https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2025/icsa-25-126-03.json

Details

Source: Mitre, NVD

Published: 2026-02-12

Updated: 2026-02-12

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.4

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

Severity: High

CVSS v4

Base 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

Severity: High