Vulnerability · Published Jun 21, 2025 · Assigned by zdi

CVE-2025-5476Sony XAV-AX8500 Bluetooth Improper Isolation Authentication Bypass Vulnerability

Medium 6.3

In plain English

A medium-severity security flaw in XAV-AX8500 from Sony. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 30% of all known vulnerabilities).

Severity (CVSS 3.0)6.3Medium

Exploit odds (30 days)0.4%top 69.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

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.

Affected products (as reported)

Vendor	Product	Versions
Sony	XAV-AX8500	2.00.01

Weakness: CWE-653 · Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

References

ZDI-25-357 x_research-advisory
vendor-provided URL vendor-advisory