An issue was discovered on TerraMaster FS-210 4.0.19 devices. Normal users can use 1.user.php for privilege elevation.
System command injection in ajaxdata.php in TerraMaster TOS version 3.1.03 allows attackers to execute commands via the "checkport" parameter.
System command injection in ajaxdata.php in TerraMaster TOS version 3.1.03 allows attackers to execute system commands via the "checkName" parameter.
System command injection in ajaxdata.php in TerraMaster TOS version 3.1.03 allows attackers to execute system commands during group creation via the "groupname" parameter.
System command injection in ajaxdata.php in TerraMaster TOS 3.1.03 allows attackers to execute system commands via the "newname" parameter.
Incorrect access control on ajaxdata.php in TerraMaster TOS version 3.1.03 allows attackers to elevate user permissions.