Vulnerability · Published Feb 12, 2026 · Assigned by icscert
CVE-2025-54756BrightSign Players Use of Default Credentials
High 8.4
In plain English
A high-severity security flaw in BrightSign OS series 4 players from BrightSign. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 4% of all known vulnerabilities).
Severity (CVSS 3.1)8.4High
Exploit odds (30 days)0.1%top 96.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| BrightSign | BrightSign OS series 4 players | 0 – before v8.5.53.1 |
| BrightSign | BrightSign OS series 5 players | 0 – before v9.0.166 |
Weakness: CWE-1392 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H