Vulnerability Description
Sony XAV-AX8500 Bluetooth ERTM Channel Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to bypass authentication on affected Sony XAV-AX8500 devices. Authentication is not required to exploit this vulnerability. The specific flaw exists within the implementation of Bluetooth ERTM channel communication. The issue results from improper channel data initialization. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-26285.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Sony | Xav-Ax8500 Firmware | >= 2.00.1, < 3.02.00 |
| Sony | Xav-Ax8500 | - |
Related Weaknesses (CWE)
References
- https://www.sony.com/electronics/support/mobile-cd-players-digital-media-playersPatch
- https://www.zerodayinitiative.com/advisories/ZDI-25-358/Third Party Advisory
FAQ
What is CVE-2025-5820?
CVE-2025-5820 is a vulnerability with a CVSS score of 8.8 (HIGH). Sony XAV-AX8500 Bluetooth ERTM Channel Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to bypass authentication on affected Sony XAV-AX8500 devices. Authentic...
How severe is CVE-2025-5820?
CVE-2025-5820 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-5820?
Check the references section above for vendor advisories and patch information. Affected products include: Sony Xav-Ax8500 Firmware, Sony Xav-Ax8500.