The NVRmini 2 Network Video Recorder and the ReadyNAS Surveillance application are vulnerable to an unauthenticated remote code execution on the exposed web administration interface. This results in code execution as root in the NVRmini and the ‘admin’ user in ReadyNAS. This exploit has been tested on several versions of the NVRmini 2 and the ReadyNAS Surveillance. It probably also works on the NVRsolo and other Nuuo devices, but it has not been tested in those devices.