Vulnerability Details Affected Firmware: Planet FW-WGS-804HPT_v1.305b241111 Root Cause: Analyzing the file in the directory reveals that the function contains a stack overflow vulnerability. Impact: Remote unauthenticated attackers can execute arbitrary commands as root. Vulnerable Code Snippet Attack Result Through IDA, the stack space is observed to be . An overflow is achieved to , successfully hijacking the control flow. Further overflow is possible if necessary. Vendor Information Vendor Website: https://www.planet.com.tw/ Affected Firmware Download: https://www.planet.com.tw/tw/product/wgs-804hpt-v2 Simulation Command To simulate the router with QEMU: POC Content