The discovered weakness could allow hackers to spy on the targets by watching video and "hot-mike" audio on the cameras, inject fake videos into the surveillance startup in an effort to hide their malicious activities and use the compromised system to attack network.
via Web-based DropCam Surveillance Systems Vulnerable to Hackers

Ah. Yes, the Internet of Things.

The device runs an outdated and unpatched version of an open source Unix toolkit BusyBox, that may not even receive updates, and the older as well as vulnerable version of OpenSSL that made it vulnerable to the critical Heartbleed bug.

Well, that's the problem isn't it.