The TK_set_deviceModel_req_handle function in the cloud communication component in Guardzilla GZ621W devices with firmware 0.5.1.4 has a Buffer Overflow.

The remote upgrade feature in Guardzilla GZ180 devices allow command injection via a crafted new firmware version parameter.

The Cloud API on Guardzilla smart cameras allows user enumeration, with resultant arbitrary camera access and monitoring.

Guardzilla All-In-One Video Security System Hard-Coded Credential

A reliance on a static, hard-coded credential in the design of the cloud-based storage system of Practecol's Guardzilla All-In-One Video Security System allows an attacker to view the private data of all users of the Guardzilla device.