CVE-2025-54756
High
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.
SeverityHigh
CVSS8.4
Exploit probability—
ProductBrightSign OS series 4 players
PublishedFeb 12, 2026
First seenFeb 12, 2026
Weakness typeCWE-1392CWE-1392
How to fix
Update
- BrightSign BrightSign OS series 4 playersv8.5.53.1 or later
- BrightSign BrightSign OS series 5 playersv9.0.166 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| BrightSign BrightSign OS series 4 players | v < v8.5.53.1 | v8.5.53.1 |
| BrightSign BrightSign OS series 5 players | v < v9.0.166 | v9.0.166 |
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