CVE-2025-5478: (Pwn2Own) Sony XAV-AX8500 Bluetooth SDP Protocol Integer Overflow Remote Code Execution Vulnerability

Published Jun 21, 2025
·
Updated

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.

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-2025-5478?

CVE-2025-5478 is classified as a high severity vulnerability due to its potential for remote code execution.

2

How do I fix CVE-2025-5478?

To mitigate CVE-2025-5478, ensure that your Sony XAV-AX8500 device is updated with the latest firmware provided by Sony.

3

Who is affected by CVE-2025-5478?

Users of the Sony XAV-AX8500 devices are affected by CVE-2025-5478.

4

What type of vulnerability is CVE-2025-5478?

CVE-2025-5478 is an integer overflow vulnerability that allows for remote code execution.

5

Can CVE-2025-5478 be exploited without authentication?

Yes, CVE-2025-5478 can be exploited by network-adjacent attackers without requiring authentication.

Contact

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