ZDI-26-474: (Pwn2Own) Sony XAV-9500ES l2_reassemble_sdu Heap-based Buffer Overflow Remote Code Execution Vulnerability

Published Jul 29, 2026
·
Updated

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Sony XAV-9500ES devices. An attacker must first obtain the ability to pair a malicious Bluetooth device with the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 8.0. The following CVEs are assigned: CVE-2026-18281.

Affected Software

1 affected component
Sony XAV-9500ES

Event History

Jul 29, 2026
Advisory Published
via ZDI·05:00 AM
Data Sourced
via ZDI·05:00 AM
Description
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Frequently Asked Questions

1

What is the severity of ZDI-26-474?

ZDI-26-474 has been assigned a risk rating of 68.

2

What kind of vulnerability is ZDI-26-474?

ZDI-26-474 is a heap-based buffer overflow vulnerability that can lead to remote code execution.

3

How can an attacker exploit ZDI-26-474?

An attacker can exploit ZDI-26-474 by pairing a malicious Bluetooth device with the target Sony XAV-9500ES system.

4

Which devices are affected by ZDI-26-474?

The vulnerability ZDI-26-474 affects Sony XAV-9500ES audio/video receivers.

5

How do I fix ZDI-26-474?

To fix ZDI-26-474, users should apply available security updates for the affected Sony XAV-9500ES devices.

Contact

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