Is CVE-2025-5476 actively exploited?

No active exploitation of CVE-2025-5476 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2025-5476 be exploited remotely?

Partially. CVE-2025-5476 requires adjacent network access (same network segment) to exploit.

What is the CVSS score of CVE-2025-5476?

CVE-2025-5476 has a CVSS score of 8.8 (HIGH).

HOME VULNERABILITIESCVE-2025-5476

HIGH

CVE-2025-5476

CWE-653Published: June 21, 2025· Updated: Jun 17, 2026

8.8

CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2025-5476 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.