Incorrect Default Permissions
Some of Dahua's Debug functions do not have permission separation. Low-privileged users can use the Debug function after logging in. Affected products include: IPC-HDW1X2X,IPC-HFW1X2X,IPC-HDW2X2X,IPC-HFW2X2X,IPC-HDW4X2X,IPC-HFW4X2X,IPC-HDBW4X2X,IPC-HDW5X2X,IPC-HFW5X2X for versions which Build time is before August 18,2019.
CWE-276 - Incorrect Default Permissions
During installation, installed file permissions are set to allow anyone to modify those files.