With versions before v9.x, this allowed for attackers to decrypt the Unattended Access password to the system (which allows for remote login to the system as well as headless file browsing). If an attacker were to know this key, they could decrypt protect information stored in the registry or configuration files of TeamViewer.

It used a shared AES key for all installations since at least as far back as v8, and used it for at least OptionsPasswordAES in the current version of the product. The operation is very simple, just download and install.TeamViewer Desktop through allows a bypass of remote-login access control because the same key is used for different customers' installations. Remote screen control, better support you. This version helps users to save maximum time with multiple options, such as simultaneously assigning multiple devices to a group or inviting participants to a video call. Group sharing feature is also more powerful and flexible, supporting users to completely control all groups in the list. On the interface of Teamviewer 11 version, the toolbar has been comprehensively upgraded based on user feedback and needs. Other benefits include faster file transfers up to 15 times and data usage up to 30% lower. TeamViewer is optimized to use less bandwidth and create rendered images more efficiently, thus expected to improve the image quality according to the bandwidth offered. TeamViewer 11 is a software supporting remote computer access was developed for the purpose of connecting the computers together, remote control helps users to easily install, as well as assistance to install software remotely on computer, support a friend or the computer user is not present. Introduction to TeamViewer 11 for Windows