Tenda AC5 Stack-Based Buffer Overflow Vulnerability in Reboot Timer Function

A critical stack-based buffer overflow vulnerability has been identified in the Tenda AC5 router, specifically in the firmware version 15.03.06.47. The issue arises in the 'formSetRebootTimer' function within the '/goform/SetRebootTimer' file, where the 'rebootTime' parameter can be manipulated, leading to memory corruption. This vulnerability can be exploited remotely, and a public exploit is available.

Impact

Exploitation of this vulnerability causes a stack-based buffer overflow, which can lead to arbitrary code execution or crashing the device.