An external config control vulnerability exists in the nas.cgi set_nas() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to arbitrary command execution. An attacker can make an authenticated HTTP request to trigger this vulnerability.

An access control issue in the component /cgi-bin/ExportLogs.sh of Wavlink WL-WN533A8 M33A8.V5030.190716 allows unauthenticated attackers to download configuration data and log files and obtain admin credentials.

A cross-site scripting (xss) vulnerability exists in the login.cgi set_lang_CountryCode() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to a disclosure of sensitive information. An attacker can make an unauthenticated HTTP request to trigger this vulnerability.