Tenda AX12 V22.03.01.21_CN is vulnerable to Buffer Overflow. This overflow is triggered in the sub_42FDE4 function, which satisfies the request of the upper-level interface function sub_430124, that is, handles the post request under /goform/SetIpMacBind.
https://github.com/The-Itach1/IOT-CVE/tree/master/Tenda/AX12/1