CleverDisplay BlueOne unauthorized BIOS access through physical USB keyboard
Key facts
- Attack vector
- Physical
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
The CleverDisplay BlueOne hardware player is designed with its USB interfaces physically enclosed and inaccessible under normal operating conditions. Researchers demonstrated that, after cicumventing the device’s protective enclosure, it was possible to connect a USB keyboard and press ESC during boot to access the BIOS setup interface. BIOS settings could be viewed but not modified. This behavior slightly increases the attack surface by exposing internal system information (CWE-1244) once the enclosure is removed, but does not allow integrity or availability compromise under standard or tested configurations.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| CleverDisplay B.V. | BlueOne (CleverDisplay Hardware Player) | 12.11.1 | 12.12.1 | Patch available | CNA |
- BlueOne (CleverDisplay Hardware Player) VendorCleverDisplay B.V. Affected 12.11.1 Fixed in 12.12.1 Patch available CNA
Remediation
- Fix · CNA BlueOne (CleverDisplay Hardware Player) (CleverDisplay B.V.) Fixed in 12.12.1
Timeline
- 2026-10-02 Threatist record created from CVE-2025-36755
- 2026-10-03 Alias added: GHSA-pmcm-fwgg-qxqr
References
Sources
- CVE-2025-36755 · CVE Program
- CVE-2025-36755 · NVD
- FIRST EPSS
- GHSA-pmcm-fwgg-qxqr · GitHub Advisory Database · CC BY 4.0
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