CVE:CVE-2021-3774
CNNVD:CNNVD-202111-520
Meross Smart Wi-Fi 2 Way Wall Switch是中国觅瑞科技（Meross）公司的一款智能设备。
Meross Smart Wi-Fi 2 Way Wall Switch (MSS550X)存在安全漏洞，该漏洞可能允许远程攻击者通过 Http/JSON 纯请求从 Meross 应用程序获取 Wi-Fi SSID 以及用户配置的密码。
solution:Upgrade meross mss550x_firmware to a higher version than 3.1.3,and avoid the version (,3.1.3]
solution:Upgrade librit passhport to a higher version than 2.5,and avoid the version (,2.5]