CVE-2022-36329: Denial of Service over OTA mechanism in Western Digital My Cloud Home and ibi devices

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-05-10 · updated 2026-06-17
Weakness: CWE-400

Description

An improper privilege management issue that could allow an attacker to cause a denial of service over the OTA mechanism was discovered in Western Digital My Cloud Home, My Cloud Home Duo and SanDisk ibi devices.This issue affects My Cloud Home and My Cloud Home Duo: before 9.4.0-191; ibi: before 9.4.0-191.

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 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 Sandisk Ibi Firmware 9.4.0-191. Check the vendor advisory for mitigations.

References

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