CVE-2022-29841: Westerndigital My Cloud OS

Critical severity, CVSS 9.8. EPSS: 1.4% chance of exploitation in the next 30 days.

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability that was caused by a command that read files from a privileged location and created a system command without sanitizing the read data. This command could be triggered by an attacker remotely to cause code execution and gain a reverse shell in Western Digital My Cloud OS 5 devices.This issue affects My Cloud OS 5: before 5.26.119.

Affected products

• Westerndigital My Cloud OS: from 5.02.104, before 5.26.119 (fixed in 5.26.119)

Published 2023-05-10. Last modified 2026-06-17.