D-Link DIR-868L fw_revA_1-12_eu_multi_20170316 was discovered to contain a buffer overflow via the param_2 parameter in the inet_ntoa() function.
https://www.dlink.com/en/security-bulletin/
https://github.com/Davidteeri/Bug-Report/blob/main/D-Link/DIR-868L%20Buffer%20overflow%202.md