Nintendo built the 3DS to be unhackable, but a $5 puzzle game and a QR code proved them wrong
… But the chain of exploits that brought it down, from a DS profile text field overflow, through a $5 puzzle game's QR reader, past a parade of shovelware save file hacks, through the ARM9 kernel via a firmware decryption flaw, all the way down to the boot ROM's broken RSA implementation, tells you s… …