# CVE-2025-5476

## Summary

- **CVE ID:** CVE-2025-5476
- **Severity:** MEDIUM
- **CVSS Score:** 6.3 (CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
- **CWE:** CWE-653
- **Published:** Jun 21, 2025
- **Last Modified:** Mar 13, 2026

## 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.

## Affected Products

- Sony — XAV-AX8500 (2.00.01)

## References

- [CNA](https://www.zerodayinitiative.com/advisories/ZDI-25-357/)
- [CNA](https://www.sony.com/electronics/support/mobile-cd-players-digital-media-players-xav-series/xav-ax8500/software/00344092)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.31%
- **EPSS Percentile:** 23.7

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._