CVE-2025-5476
highpriority · track · 35EPSS 0.004 · 30 %ileEUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.3–8.8
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (7)
External citations — patches, advisories, analysis.
- https://www.sony.com/electronics/support/mobile-cd-players-digital-media-players-xav-series/xav-ax8500/downloadsPatchcnnvd
- https://www.sony.com/electronics/support/mobile-cd-players-digital-media-players-xav-series/xav-ax8500/software/00344092cnnvd
- https://www.zerodayinitiative.com/advisories/ZDI-25-357/cnnvd
- https://www.sony.com/electronics/support/mobile-cd-players-digital-media-players-xav-series/xav-ax8500/software/00344092enisa_euvd
- https://www.zerodayinitiative.com/advisories/ZDI-25-357/enisa_euvd
- https://www.sony.com/electronics/support/mobile-cd-players-digital-media-players-xav-series/xav-ax8500/software/00344092Patchnvd
- https://www.zerodayinitiative.com/advisories/ZDI-25-357/Third Party Advisorynvd
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