A lack of Management Frame Protection in Waveshare RS232/485 TO WIFI ETH (B) Serial to Ethernet/Wi-Fi Gateway Firmware V3.1.1.0: HW 4.3.2.1: Webpage V7.04T.07.002880.0301 allows attackers to execute de-authentication attacks, allowing crafted deauthentication and disassociation frames to be broadcast without authentication or encryption.
