An authenticated administrator can upload a SAML configuration file with the wrong format, with the application not checking the correct file format. Every subsequent application request will return an error. The whole application in rendered unusable until a console intervention.
Team ENVY, a Security Research TEAM has found a flaw that allows for a remote code execution on the NVR. An attacker could inject malformed data into url input parameters to reboot the NVR. The manufacturer has released patch firmware for the flaw, please refer to the manufacturer's report for details and workarounds.