CVE-2025-5478 Sony XAV-AX8500 Bluetooth SDP Protocol Integer Overflow Remote Code Execution Vulnerability

High 8.8 Published 21 Jun 2025 Updated 23 Jun 2025

Network-adjacent attackers can execute arbitrary code with root privileges on Sony XAV-AX8500 devices via a Bluetooth SDP integer overflow.

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-2025-5478?

CVE-2025-5478 is a high-severity 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 SDP Protocol Integer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Sony XAV-AX8500 devices. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the implementation of the Bluetooth SDP protocol. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before allocating a buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-26288.

Weakness: CWE-190

Which versions are affected by CVE-2025-5478?

It affects 1 product.

Products include Sony Xav-Ax8500 Firmware.

How do I fix CVE-2025-5478?

No fix has been published for CVE-2025-5478 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-5478 being exploited?

There is no known exploitation of CVE-2025-5478 in the wild and no public exploit code.

Sources

Also known as GHSA-xgfx-jr44-636c.