Arris TR3300 v1.0.13 was discovered to contain a command injection vulnerability in the time and time zone function via the h_primary_ntp_server, h_backup_ntp_server, and h_time_zone parameters. This vulnerability allows attackers to execute arbitrary commands via a crafted request.
https://github.com/wudipjq/my_vuln/blob/main/ARRIS/vuln_12/12.md