CVE-2025-5479
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-06-21

Last updated on: 2025-07-08

Assigner: Zero Day Initiative

Description
Sony XAV-AX8500 Bluetooth AVCTP Protocol Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Sony XAV-AX8500 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 specific flaw exists within the implementation of the Bluetooth AVCTP protocol. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-26290.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2025-06-21
Last Modified
2025-07-08
Generated
2026-05-06
AI Q&A
2025-06-21
EPSS Evaluated
2026-05-05
NVD
EUVD
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
sony xav-ax8500_firmware From 2.00.1 (inc) to 3.02.00 (exc)
sony xav-ax8500 *
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-122 A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability is a heap-based buffer overflow in the Bluetooth AVCTP protocol implementation on Sony XAV-AX8500 devices. It occurs because the device does not properly validate the length of user-supplied data before copying it into a heap buffer. An attacker who can pair a malicious Bluetooth device with the target system can exploit this flaw to execute arbitrary code within the context of the current process. [1]


How can this vulnerability impact me? :

If exploited, this vulnerability allows an attacker to execute arbitrary code on the affected Sony XAV-AX8500 device. This can lead to a complete compromise of the device's confidentiality, integrity, and availability, potentially allowing the attacker to control the device, access sensitive information, or disrupt its normal operation. [1]


What immediate steps should I take to mitigate this vulnerability?

To mitigate this vulnerability, you should apply the update released by Sony that addresses and fixes the heap-based buffer overflow in the Bluetooth AVCTP protocol implementation on Sony XAV-AX8500 devices. Additionally, restrict pairing of unknown or untrusted Bluetooth devices to prevent attackers from pairing malicious devices. [1]


Ask Our AI Assistant
Need more information? Ask your question to get an AI reply (Powered by our expertise)
0/70
EPSS Chart