CVE-2025-5476 Sony XAV-AX8500 Bluetooth Improper Isolation Authentication Bypass Vulnerability

Medium 6.3 Published 21 Jun 2025 Updated 23 Jun 2025

Network-adjacent attackers can bypass authentication on Sony XAV-AX8500 devices due to improper L2CAP channel isolation in Bluetooth ACL-U links.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-5476?

CVE-2025-5476 is a medium-severity authentication bypass vulnerability in Sony XAV-AX8500, published on 21 Jun 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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.

Weakness: CWE-653

Which versions are affected by CVE-2025-5476?

It affects 1 product.

Products include Sony Xav-Ax8500 Firmware.

How do I fix CVE-2025-5476?

No fix has been published for CVE-2025-5476 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2025-5476 being exploited?

There is no known exploitation of CVE-2025-5476 in the wild and no public exploit code.

Sources

Also known as GHSA-p5gp-jv8c-qr96.