CVE-2025-5476

What it is

Sony XAV-AX8500 Bluetooth Improper Isolation 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 ACL-U links. The issue results from the lack of L2CAP channel isolation. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-26284.

At a glance

Exploitability

Can be exploited from the same network segment without logging in. High risk of data exposure, data tampering, service disruption.

Exploit odds

0.4% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2025-06-21 01:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 09:47 UTC Last updatedMost recent change to the record

Details

Published

2025-06-21 01:15 UTC

Last modified

2026-06-17 09:47 UTC

Exploit probability

0.4% · EPSS, next 30 days

Weakness

CWE-653

Record status

Analyzed

Affected

• Sony xav-ax8500 Firmware < 3.02.00

Attack profile CVSS 3.1 · 8.8

Attack vector

Adjacent network

Complexity

Low

Privileges needed

None

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High