CVE-2025-54756
BrightSign Players Use of Default Credentials
No known exploitation. EPSS puts it in the 4th percentile. Fixed versions are out.
What to do
Find your product and version, then upgrade to the build on the right.
- BrightSign OS series 4 playersAffected: < v8.5.53.1Upgrade to: v8.5.53.1Stated by: CVE record
- BrightSign OS series 5 playersAffected: < v9.0.166Upgrade to: v9.0.166Stated by: CVE record
Versions as the sources state them. Full version matrix after sign-in
What it is
From the CVE record
Successful exploitation of these vulnerabilities could allow privilege escalation on the device, easily-guessable passwords, or arbitrary code to be executed on the underlying operating system.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
0.1% chance of exploitation activity in the next 30 days, which ranks it in the 4th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
5 events over 1 day, from the signal feeds we watch.
- Patch availableworkaround available, record updated
- Publishedweakness classified
Affected products
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Scored 8.4 by NVD.
How it is reached
- Attack Vector LocalRequires local access to the vulnerable system (e.g. local login, malicious file)
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required NoneNo authentication required — anyone can exploit this
- User Interaction NoneNo user interaction needed — fully automated exploitation
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality HighTotal information disclosure — all data in the component is compromised
- Integrity HighTotal loss of integrity — attacker can modify any data in the component
- Availability HighTotal denial of service — the component is completely unavailable
Weaknesses
Sources
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