High 8.4Published Feb 12, 2026

CVE-2025-54756BrightSign Players Use of Default Credentials

Updated under an hour ago (Oct 27, 2026, 4:30 PM ET)

Does this affect you?

It affects BrightSign OS series 4 players and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for BrightSign OS series 4 players

Exploited in the last 30 days

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: 8.4 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-1392
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: icscert
NVD analysis: Deferred
Record last updated: Feb 12, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

BrightSign BrightSign OS series 4 players brightsign:os_series_4_players (from the name)	before v8.5.53.1	CNA record
BrightSign BrightSign OS series 5 players brightsign:os_series_5_players (from the name)	before v9.0.166	CNA record

References

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.