CVE-2025-5476: (Pwn2Own) Sony XAV-AX8500 Bluetooth Improper Isolation Authentication Bypass Vulnerability

Published Jun 21, 2025
·
Updated

Sony XAV-AX8500 Bluetooth Improper Isolation 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 ACL-U links. The issue results from the lack of L2CAP channel isolation. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-26284.

Affected Software

3 affected components
Sony XAV-AX8500
All of the following
Sony Xav-ax8500 Firmware>=2.00.01<3.02.00
Sony XAV-AX8500

Event History

Jun 21, 2025
CVE Published
via MITRE·12:09 AM
Data Sourced
via MITRE·12:09 AM
DescriptionSeverityWeakness
Advisory Published
via ZDI·12:23 AM
Data Sourced
via ZDI·12:23 AM
DescriptionSeverityAffected Software
Data Sourced
via NVD·01:15 AM
RemedyDescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-5476?

CVE-2025-5476 has been classified as a high-severity vulnerability due to its potential for exploitation without authentication.

2

How do I fix CVE-2025-5476?

To mitigate CVE-2025-5476, users should apply the latest firmware updates provided by Sony for the XAV-AX8500 device.

3

Who is affected by CVE-2025-5476?

CVE-2025-5476 affects users of the Sony XAV-AX8500 devices that have not been updated with the latest security patches.

4

What type of vulnerability is CVE-2025-5476?

CVE-2025-5476 is an authentication bypass vulnerability that allows network-adjacent attackers to exploit the affected devices.

5

Can CVE-2025-5476 be exploited remotely?

No, CVE-2025-5476 requires network adjacency for exploitation, meaning an attacker must be on the same network as the device.

Contact

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