Draytek VigorConnect 1.6.0-B3 is susceptible to local file inclusion in the file download functionality of the DownloadFileServlet endpoint. An unauthenticated attacker could leverage this vulnerability to download arbitrary files from the underlying operating system with root privileges.
View the template here CVE-2021-20123.yaml
References:
https://www.tenable.com/security/research/tra-2021-42