CAYIN xPost suffers from an unauthenticated SQL Injection vulnerability. Input passed via the GET parameter 'wayfinder_seqid' in wayfinder_meeting_input.jsp is not properly sanitized before being returned to the user or used in SQL queries. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code and execute SYSTEM commands.

Cayin CMS suffers from an authenticated OS semi-blind command injection vulnerability using default credentials. This can be exploited to inject and execute arbitrary shell commands as the root user through the 'NTP_Server_IP' HTTP POST parameter in system.cgi page. This issue affects several branches and versions of the CMS application, including CME-SE, CMS-60, CMS-40, CMS-20, and CMS version 8.2, 8.0, and 7.5.

An issue was discovered on Cayin SMP-PRO4 devices. They allow image_preview.html?filename= reflected XSS.

An issue was discovered on Cayin SMP-PRO4 devices. A user can discover a saved password by viewing the URL after a Connection String Test. This password is shown in the webpass parameter of a media_folder.cgi?apply_mode=ping_server URI.