CVE-2022-36328: Westerndigital My Cloud Home Duo Firmware

Medium severity, CVSS 4.9. EPSS: 0.8% chance of exploitation in the next 30 days.

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability that could allow an attacker to create arbitrary shares on arbitrary directories and exfiltrate sensitive files, passwords, users and device configurations was discovered in Western Digital My Cloud Home, My Cloud Home Duo, SanDisk ibi and Western Digital My Cloud OS 5 devices. This can only be exploited once an attacker gains root privileges on the devices using an authentication bypass issue or another vulnerability.This issue affects My Cloud Home and My Cloud Home Duo: before 9.4.0-191; ibi: before 9.4.0-191; My Cloud OS 5: before 5.26.202.

Affected products

• Westerndigital My Cloud Home Duo Firmware: before 9.4.0-191 (fixed in 9.4.0-191)
• Westerndigital My Cloud Home Firmware: before 9.4.0-191 (fixed in 9.4.0-191)
• Westerndigital My Cloud OS 5: before 5.26.202 (fixed in 5.26.202)
• Westerndigital Sandisk Ibi Firmware: before 9.4.0-191 (fixed in 9.4.0-191)

Published 2023-05-18. Last modified 2026-06-17.