Wavlink WN530HG4 M30HG4.V5030.191116 was discovered to contain a hardcoded encryption/decryption key for its configuration files at /etcro/lighttpd/www/cgi-bin/ExportAllSettings.sh.
An access control issue in Wavlink WN530HG4 M30HG4.V5030.191116 allows attackers to obtain usernames and passwords via view-source:http://IPADDRESS/setsafety.shtml?r=52300 and searching for [var syspasswd].
An access control issue in Wavlink WL-WN530HG4 M30HG4.V5030.201217 allows unauthenticated attackers to download configuration data and log files and obtain admin credentials.
An access control issue in Wavlink WN530HG4 M30HG4.V5030.191116 allows unauthenticated attackers to download log files and configuration data.