CVE-2025-63363: Waveshare RS232/485 To Wifi Eth (b) Firmware

High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• Waveshare RS232/485 To Wifi Eth (b) Firmware: version 3.1.1.0 only

Published 2025-12-04. Last modified 2026-06-17.