CVE-2017-16725
A Stack-based Buffer Overflow issue was discovered in Xiongmai Technology IP Cameras and DVRs using the NetSurveillance Web interface. The stack-based buffer overflow vulnerability has been identified, which may allow an attacker to execute code remotely or crash the device. After rebooting, the device restores itself to a more vulnerable state in which Telnet is accessible.
Source: CVE-2017-16725