Multiple external config control vulnerabilities exist in the nas.cgi set_nas() proftpd functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to permission bypass. An attacker can make an authenticated HTTP request to trigger these vulnerabilities.A configuration injection vulnerability exists in the `ftp_max_sessions` POST parameter.
https://blog.talosintelligence.com/slew-of-wavlink-vulnerabilities/
https://www.talosintelligence.com/vulnerability_reports/TALOS-2024-2053
https://talosintelligence.com/vulnerability_reports/TALOS-2024-2053