An access control issue in Wavlink WN530HG4 M30HG4.V5030.191116 allows unauthenticated attackers to download log files and configuration data.
https://drive.google.com/file/d/1ZeSwqu04OghLQXeG7emU-w-Amgadafqx/view?usp=sharing
https://drive.google.com/file/d/1-eNgq6IS609bq2vB93c_N8jnZrJ2dgNF/view?usp=sharing