CVE-2025-5820

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 v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.sony.com/electronics/support/mobile-cd-players-digital-media-players-xav-series/xav-ax8500/software/00344092	Patch
https://www.zerodayinitiative.com/advisories/ZDI-25-358/	Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:sony:xav-ax8500_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:sony:xav-ax8500:-:*:*:*:*:*:*:*

History

08 Jul 2025, 14:28

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-06-21 01:15

Updated : 2025-07-08 14:28

NVD link : CVE-2025-5820

Mitre link : CVE-2025-5820

CVE.ORG link : CVE-2025-5820

JSON object : View

Products Affected

sony

xav-ax8500
xav-ax8500_firmware

CWE

CWE-288

Authentication Bypass Using an Alternate Path or Channel

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