A NULL pointer dereference in the sub_41773C function of TOTOLINK N600R v4.3.0cu.7866_B20220506 allows attackers to cause a Denial of Service (DoS) via a crafted HTTP request.
https://github.com/z472421519/BinaryAudit/blob/main/PoC/NPD/TOTOLink/sub_41773C/sub_41773C.md