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 attackers to obtain usernames and passwords via view-source:http://IP_ADDRESS/set_safety.shtml?r=52300 and searching for [var syspasswd].
Wavlink WN530HG4 M30HG4.V5030.191116 was discovered to contain a hardcoded encryption/decryption key for its configuration files at /etc_ro/lighttpd/www/cgi-bin/ExportAllSettings.sh.
An issue was discovered on Wavlink Jetstream devices where a crafted POST request can be sent to adm.cgi that will result in the execution of the supplied command if there is an active session at the same time.
An issue was discovered where there are multiple externally accessible pages that do not require any sort of authentication, and store system information for internal usage.