CVE-2025-54756

BrightSign Players Use of Default Credentials

CVSS 8.6 HIGHEPSS 0.1%CWE-1392

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 8.6EPSS 0.1%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

12 Feb 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

BrightSign · BrightSign OS series 4 players BrightSign · BrightSign OS series 5 players

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References

https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2025/icsa-25-126-03.json https://www.brightsign.biz/resources/software-downloads/https://www.cisa.gov/news-events/ics-advisories/icsa-25-126-03