CISA description
Amcrest cameras and NVR contain a stack-based buffer overflow vulnerability through port 37777 that allows an unauthenticated, remote attacker to crash the device and possibly execute code.
CVE-2020-5735
Amcrest · Cameras and Network Video Recorder (NVR)
Amcrest Cameras and NVR Stack-based Buffer Overflow Vulnerability
Required action
Apply updates per vendor instructions.
Notes & references
Where this lands in 800-53
Vulnerability data triggers these controls during assessment and continuous monitoring.