Vulnerability · CVE-2025-54756
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
Published Feb 12, 2026 · catalog updated Feb 12, 2026 · BrightSign BrightSign OS series 4 players
Last checked Nov 6, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2025-54756. EPSS is 0.15%. Act only if a listed version of BrightSign BrightSign OS series 4 players is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2025-3925 · High
- Severity
- High8.6
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.15%
- Remediation
- Version ranges on file
- Affected products
- vendor BrightSign BrightSign OS series 4 players 0 <v8.5.53.1
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.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor BrightSign BrightSign OS series 4 players 0 <v8.5.53.10 <v8.5.53.1
How to fix CVE-2025-54756
Upgrade
CVE-2025-54756 lists a fix boundary at v8.5.53.1. Compare the installed build with that boundary before you change production.
Version check
Seen in 0 <v8.5.53.1
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2025-54756. EPSS is 0.15%. Act only if a listed version of BrightSign BrightSign OS series 4 players is installed.
Which versions are affected?
Compare what you have installed with BrightSign BrightSign OS series 4 players 0 <v8.5.53.1 0 <v8.5.53.1. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.15%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
Timeline
Detection, updates, and resolution for this record.
Feb 12, 2026 · EUVD
Detected
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.
Feb 12, 2026 · EUVD
Updated
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.
Sources
- CVE.orgVulnerability recordCVE-2025-54756
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-54756
30-day exploitation probability 0.15%
first.org - EUVDVulnerability recordEUVD-2025-207245
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 encourag
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Nov 6, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSNov 6, 2026
- CVE.orgNov 4, 2026
- EUVDNov 3, 2026