Authorization Bypass Vulnerability in Sony XAV-9500ES Devices
CVE-2026-18283

2.4LOW

Key Information:

Vendor

Sony

Status
Xav-9500es
Vendor
CVE Published:
20 August 2026

What is CVE-2026-18283?

The Sony XAV-9500ES exhibits a vulnerability in its udev rules that allows physical attackers to bypass authorization mechanisms. When a malicious USB device is connected to the system, it can exploit the flaw to instantiate restricted USB device types without authentication. This vulnerability poses a significant risk, allowing attackers to manipulate the system by bypassing critical controls.

Affected Version(s)

XAV-9500ES 3.02.00

References

https://www.zerodayinitiative.com/advisories/ZDI-26-476/
x_research-advisory
https://www.sony.com/electronics/support/mobile-cd-player...
vendor-advisory

CVSS V3.0

Score:
2.4
Severity:
LOW
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Physical
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.