Why do folders show wrong date created and date modified

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May 31, 2014
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Why when I create a new folder on external drive attached to Netgear R6400 router
it shows 1/2/2003 as date modified and date created.

If I attach the drive to the desktop then the correct dates are created, 5/17/2016.

Bios and Windows dates are correct.
Also I did a firmware update to the router yesterday.
 

comandoed

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