CVE-2021-35941: Westerndigital Wd My Book Live Duo Firmware

High severity, CVSS 7.5. EPSS: 12.7% chance of exploitation in the next 30 days.

Western Digital WD My Book Live (2.x and later) and WD My Book Live Duo (all versions) have an administrator API that can perform a system factory restore without authentication, as exploited in the wild in June 2021, a different vulnerability than CVE-2018-18472.

Affected products

• Westerndigital Wd My Book Live Duo Firmware: any version
• Westerndigital Wd My Book Live Firmware: from 2.0

Published 2021-06-29. Last modified 2026-06-17.