From en.secnews.gr
The Russian researcher security Vladislav Yarmak yesterday revealed that there is a backdoor mechanism to HiSilicon of chips , which are incorporated in millions of smart Appliances worldwide (eg security cameras, DVR, NVR, etc.).
Still has not released any correction, as the Yarmak HiSilicon not informed about the security issue. As he said, he does not have confidence in the abilities of the company for proper correction of the backdoor.