A vulnerability of remote credential disclosure was discovered in Advan VD-1 firmware versions up to 230. An attacker can export system configuration which is not encrypted to get the administrator’s account and password in plain text via cgibin/ExportSettings.cgi?Export=1 without any authentication.

A broken access control vulnerability found in Advan VD-1 firmware versions up to 230. An attacker can send a POST request to cgibin/ApkUpload.cgi to install arbitrary APK without any authentication.

A XSS found in Advan VD-1 firmware versions up to 230. VD-1 responses a path error message when a requested resource was not found in page cgibin/ssi.cgi. It leads to a reflected XSS because the error message does not escape properly.

A broken access control vulnerability found in Advan VD-1 firmware version 230 leads to insecure ADB service. An attacker can send a POST request to cgibin/AdbSetting.cgi to enable ADB without any authentication then take the compromised device as a relay or to install mining software.

A relative path traversal vulnerability found in Advan VD-1 firmware versions up to 230. It allows attackers to download arbitrary files via url cgibin/ExportSettings.cgi?Download=filepath, without any authentication.