This command injection vulnerability in Music Station allows attackers to execute commands on the affected device. To fix the vulnerability, QNAP recommend updating Music Station to their latest versions.
QTS 4.4.1: Music Station before version 5.3.5, QTS 4.3.6: Music Station before version 5.2.7, QTS 4.3.4: Music Station before version 5.1.11, QTS 4.3.3: Music Station before version 5.1.11, QTS 4.2.6: Music Station before version 4.8.8