"The hack is quite simple. The Linux system running on the scope has a default root password of, you guessed it, “root”." 
https://twitter.com/hackaday/status/1075496258159108096 …
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Done on purpose?
That's been my working theory on previous similar security rigol licensing fckups (such as super short EC key length for license keys). I bought my DS2072 in part because I could unlock extra features using the hacks. But root/root!? That's just too stupid to be on purpose imo.
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Or maybe they don't really care -- they figure 99% of owners aren't going to try it, so why bother?
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According to some eevblog forum posts it looks like this is simply the default root password from the Xilinx reference linux rootfs for the zynq. (The MD5 password hash is using the same seed value in both cases.)
End of conversation
New conversation -
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I bought my Rigol DS1052E scope because of the same reason... Rigol was the HW hacker's choice by the time and it looks this applies today too. I even wrote a blog for
@MaxMaxfield at@eetimes covering the story. https://www.eetimes.com/author.asp?_mc=sem_stu_wp_eet_sept13_tm&piddl_msgorder=&authorpage=1&image_number=3&isAjax=true&doc_id=1320823&_=1527206400231&piddl_msgpage=4 …Thanks. Twitter will use this to make your timeline better. UndoUndo
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