Unauthenticated remote code execution occurs in D-Link products such as DIR-655C DIR-866L DIR-652 and DHP-1565. The issue occurs when the attacker sends an arbitrary input to a \PingTest\ device common gateway interface that could lead to common injection. An attacker who successfully triggers the command injection could achieve full system compromise. Later it was independently found that these are also affected: DIR-855L DAP-1533 DIR-862L DIR-615 DIR-835 and DIR-825.