An issue was discovered in AnyDesk for Windows before 9.0.5, AnyDesk for macOS before 9.0.1, AnyDesk for Linux before 7.0.0, AnyDesk for iOS before 7.1.2, and AnyDesk for Android before 8.0.0. It has an integer overflow and resultant heap-based buffer overflow via a UDP packet during processing of an Identity user image within the Discovery feature, or when establishing a connection between any two clients.

AnyDesk 5.4.0 contains an unquoted service path vulnerability in its Windows service configuration that allows local attackers to potentially inject malicious executables. Attackers can exploit the unquoted binary path to place malicious files in service executable locations, potentially gaining elevated system privileges.

AnyDesk before 6.2.6 and 6.3.x before 6.3.3 allows a local user to obtain administrator privileges by using the Open Chat Log feature to launch a privileged Notepad process that can launch other applications.

An issue was discovered in AnyDesk for Windows before 9.0.5, AnyDesk for macOS before 9.0.1, AnyDesk for Linux before 7.0.0, AnyDesk for iOS before 7.1.2, and AnyDesk for Android before 8.0.0. Remote Denial of Service can occur because of incorrect deserialization that results in failed memory allocation and a NULL pointer dereference.

An issue was discovered in AnyDesk for Windows before 9.0.6 and AnyDesk for Android before 8.0.0. When the connection between two clients is established via an IP address, it is possible to manipulate the data and spoof the AnyDesk ID.