CVE-2023-30257: Fiio m6 Firmware

High severity, CVSS 7.8. EPSS: 0.4% chance of exploitation in the next 30 days.

A buffer overflow in the component /proc/ftxxxx-debug of FiiO M6 Build Number v1.0.4 allows attackers to escalate privileges to root.

Affected products

• Fiio m6 Firmware: version 1.0.4 only

Published 2023-05-08. Last modified 2026-06-17.