CVE-2025-5477
BaseFortify
Publication date: 2025-06-21
Last updated on: 2025-07-08
Assigner: Zero Day Initiative
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| sony | xav-ax8500_firmware | From 2.00.01 (inc) to 3.02.00 (exc) |
| sony | xav-ax8500 | * |
Helpful Resources
Exploitability
| 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 L2CAP protocol implementation on the Sony XAV-AX8500 device. 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 remotely within the context of the elysian-bt-service 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 remotely. This can lead to full compromise of the device, including unauthorized control, data manipulation, or disruption of device functionality. The attack requires the attacker to be network-adjacent and to pair a malicious Bluetooth device with the target system. [1]
How can this vulnerability be detected on my network or system? Can you suggest some commands?
Detection involves identifying if a Sony XAV-AX8500 device is present and if it has been paired with any potentially malicious Bluetooth devices. Since exploitation requires pairing a malicious Bluetooth device, monitoring Bluetooth pairings and connections on the device is key. Specific commands are not provided in the resources, but generally, checking Bluetooth device pairings and active connections on the Sony XAV-AX8500 could help detect potential exploitation attempts. [1]
What immediate steps should I take to mitigate this vulnerability?
The immediate mitigation step is to apply the update released by Sony that addresses and fixes this vulnerability. Additionally, restricting Bluetooth pairing to trusted devices only and monitoring for unauthorized Bluetooth pairings can help reduce risk. [1]