CVE-2025-5476

High

Description

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.

SeverityHigh

CVSS8.8

Exploit probability—

ProductSony Xav-ax8500 Firmware

PublishedJun 21, 2025

First seenJun 21, 2025

Weakness typeCWE-653CWE-653

How to fix

Update

sony xav-ax8500_firmware3.02.00 or later

Vendor advisories

sony.com/electronics/support/mobile-cd-players-digital-media-players-xav-series/xav-ax8500/software/00344092

Affected products

Product	Affected versions	Fixed in
sony xav-ax8500_firmware	2.00.01 ≤ v < 3.02.00	3.02.00

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