CVE-2025-5476HIGH 8.8EPSS p22.6%

CVE-2025-5476CVE-2025-5476

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.

Scoring

CVSS 3.18.8 (HIGH)
VectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.31% probability of exploitation · percentile 22.6% · 2026-06-19T12:03:05Z
Published2025-06-21
Last modified2025-07-08

Underlying weaknesses· 1

CWE-653

References

  1. https://www.sony.com/electronics/support/mobile-cd-players-digital-media-players-xav-series/xav-ax8500/software/00344092
  2. https://www.zerodayinitiative.com/advisories/ZDI-25-357/

1

TypeTargetConfidenceTier
WeaknessImproper Isolation or Compartmentalizationcwe-6530%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.