In Tenda G3 US_G3V3.0br_V15.11.0.6(7663)_EN_TDE, in httpd binary, the addDhcpRule function has a buffer overflow caused by sscanf.
https://www.tendacn.com/download/detail-3401.html
https://github.com/Davidteeri/Bug-Report/blob/main/tenda-G3-0x62158.md