CVE-2022-36326: Resource Exhaustion Vulnerability in Western Digital devices

Severity: medium (CVSS 4.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-05-18 · updated 2026-06-17
Weakness: CWE-400

Description

An uncontrolled resource consumption vulnerability issue that could arise by sending crafted requests to a service to consume a large amount of memory, eventually resulting in the service being stopped and restarted was discovered in Western Digital My Cloud Home, My Cloud Home Duo, SanDisk ibi and Western Digital My Cloud OS 5 devices. This issue requires the attacker to already have root privileges in order to exploit this 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

How to fix

Upgrade to a fixed version: Westerndigital My Cloud Home Duo Firmware 9.4.0-191; Westerndigital My Cloud Home Firmware 9.4.0-191; Westerndigital My Cloud Os 5 5.26.202; Westerndigital Sandisk Ibi Firmware 9.4.0-191. Check the vendor advisory for mitigations.

References

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