CVE-2022-29842: Westerndigital My Cloud OS

Critical severity, CVSS 9.8. EPSS: 1.8% chance of exploitation in the next 30 days.

Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability that could allow an attacker to execute code in the context of the root user on a vulnerable CGI file was discovered in Western Digital My Cloud OS 5 devicesThis 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.