A buffer overflow vulnerability exists in D-Link DI-8003 16.07.26A1 and DI-8003G 19.12.10A1 due to improper handling of the wan_ping parameter in the /wan_ping.asp endpoint.
https://www.dlink.com/en/security-bulletin/
https://github.com/xiaotea/iot-vulnerability-collection/blob/main/README.md