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WDC Tracking Number: WDC-21005
Product Line: WD Cloud (Japan)
Published: March 10, 2021
Last Updated: March 11, 2021
WD Cloud OS 5 is a major and fundamental security release that provides an architectural revamp of our older WD Cloud firmware and adds new defenses to thwart common classes of attacks. We recommend that all users upgrade to WD Cloud OS 5 as soon as possible to benefit from the latest security fixes. WD Cloud OS2 or WD Cloud OS3 will not receive these security fixes.
Steps to upgrade to WD Cloud OS 5 can be found here: https://support-en.wd.com/app/answers/detail/a_id/30095
Western Digital is aware of third parties offering security patches for My Cloud OS3. We have not evaluated any such patches and we are unable to provide any support for such patches.