Although, in order to be publicly accessible, one would imagine that they’ve had to configure …
I’m guessing there are providers in Vietnam offering remote access accounts and apps, the same as 90% of IP security cameras on AliExpress, Amazon, eBay etc. Most of the zero config ones are authenticated with a cloud server 24/7 to enable remote viewing. This being Vietnam specific leads me to believe that the “hackers” are actually a domestic crime org selling compromised hardware; could be as simple as opening the box and obtaining device information (like the serial, MAC, or QR code) before shipping the product.
I’m guessing there are providers in Vietnam offering remote access accounts and apps, the same as 90% of IP security cameras on AliExpress, Amazon, eBay etc. Most of the zero config ones are authenticated with a cloud server 24/7 to enable remote viewing. This being Vietnam specific leads me to believe that the “hackers” are actually a domestic crime org selling compromised hardware; could be as simple as opening the box and obtaining device information (like the serial, MAC, or QR code) before shipping the product.