CVE Vulnerabilities

CVE-2025-5820

Authentication Bypass Using an Alternate Path or Channel

Published: Jun 21, 2025 | Modified: Jul 08, 2025
CVSS 3.x
8.8
HIGH
Source:
NVD
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
RedHat/V2
RedHat/V3
Ubuntu

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.

Weakness

A product requires authentication, but the product has an alternate path or channel that does not require authentication.

Affected Software

Name Vendor Start Version End Version
Xav-ax8500_firmware Sony 2.00.1 (including) 3.02.00 (excluding)

Potential Mitigations

References