CVE-2025-5820
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 ERTM Channel Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to bypass authentication on affected Sony XAV-AX8500 devices. Authentication is not required to exploit this vulnerability. The specific flaw exists within the implementation of Bluetooth ERTM channel communication. The issue results from improper channel data initialization. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-26285.
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Meta Information
Published
2025-06-21
Last Modified
2025-07-08
Generated
2026-05-07
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-288 The product requires authentication, but the product has an alternate path or channel that does not require authentication.
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?

CVE-2025-5820 is a vulnerability in the Sony XAV-AX8500 device's Bluetooth ERTM channel communication. It is caused by improper initialization of channel data, which allows network-adjacent attackers to bypass authentication without needing any prior authentication or user interaction. This flaw lets attackers gain unauthorized access to the system. [1]


How can this vulnerability impact me? :

This vulnerability can allow attackers who are on a network adjacent to the affected device to bypass authentication and gain unauthorized access. This can lead to impacts on the confidentiality, integrity, and availability of the system, potentially allowing attackers to access sensitive information, alter data, or disrupt device functionality. [1]


What immediate steps should I take to mitigate this vulnerability?

To mitigate this vulnerability, you should apply the update released by Sony for the XAV-AX8500 device that addresses and fixes the Bluetooth ERTM channel authentication bypass issue. [1]


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