permission and access control vulnerability, which exists in V2.1.14 and below versions of C520V21 smart camera devices. An attacker can construct a URL for directory traversal and access to other unauthorized files or resources.

authentication issues vulnerability, which exists in V2.1.14 and below versions of C520V21 smart camera devices. An attacker can automatically obtain access to web services from the authorized browser of the same computer and perform operations.