Critical Unpatched Flaws Disclosed In Western Digital ‘My Cloud’ Storage Devices

Security researchers have discovered several severe vulnerabilities and a secret hard-coded backdoor in Western Digital’s My Cloud NAS devices that could allow remote attackers to gain unrestricted root access to the device.
Western Digital’s My Cloud (WDMyCloud) is one of the most popular network-attached storage devices which is being used by individuals and businesses to host their files, and automatically backup and sync them with various cloud and web-based services.
The device lets users not only share files in a home network, but the private cloud feature also allows them to access their data from anywhere at any time.

Since these devices have been designed to be connected over the Internet, the hardcoded backdoor would leave user data open to hackers.
GulfTech research and development team has recently published an advisory detailing a hardcoded backdoor and several vulnerabilities it found in WD My Cloud storage devices that could allow remote attackers to inject their own commands and upload and download sensitive files without permission.
Noteworthy, James Bercegay of GulfTech contacted the vendor and reported the issues in June last year. The vendor confirmed the vulnerabilities and requested a period of 90 days until full disclosure.
On 3rd January (that’s almost after 180 days), GulfTech publicly disclosed the details of the vulnerabilities, which are still unpatched.


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