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Western Digital’s brief advisory includes a link to an entry in the National Vulnerability Database for CVE-2018-18472. The NVD writeup says Western Digital WD My Book Live and WD My Book Live Duo (all versions) have a root Remote Command Execution bug.
“It can be triggered by anyone who knows the IP address of the affected device, as exploited in the wild in June 2021 for factory reset commands,” NVD wrote.
Examine the CVE attached to this flaw and you’ll notice it was issued in 2018. The NVD’s advisory credits VPN reviewer Wizcase.com with reporting the bug to Western Digital three years ago, back in June 2018.
In some ways, it’s remarkable that it took this long for vulnerable MyBook devices to be attacked: The 2018 Wizcase writeup on the flaw includes proof-of-concept code that lets anyone run commands on the devices as the all-powerful “root” user.
Western Digital’s response at the time was that the affected devices were no longer supported and that customers should avoid connecting them to the Internet. That response also suggested this bug has been present in its devices for at least a decade.
“The vulnerability report CVE-2018-18472 affects My Book Live devices originally introduced to the market between 2010 and 2012,” reads a reply from Western Digital that Wizcase posted to its blog. “These products have been discontinued since 2014 and are no longer covered under our device software support lifecycle. We encourage users who wish to continue operating these legacy products to configure their firewall to prevent remote access to these devices, and to take measures to ensure that only trusted devices on the local network have access to the device.”