The login_mgr.cgi script in D-Link DNS-320 through 2.05.B10 is vulnerable to remote command injection.
https://www.ftc.gov/system/files/documents/cases/dlink_proposed_order_and_judgment_7-2-19.pdf
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-16057