D-Link Vulnerability Vendor: D-Link Product: DIR-619L Version: 2.06B01 Type: Stack Overflow Author: Jiajian Peng Mail: pengjiajian@iie.ac.cn Institution: Institute of Information Engineering, Chinese Academy of Sciences (IIE, CAS) Vulnerability Description A stack overflow vulnerability was found in the D-Link router with firmware version 2.06B01, allowing remote attackers to crash the server. Stack Overflow In the function, the parameter is directly passed to a local variable on the stack without any length check. If the input is too long, it causes a stack overflow, leading to arbitrary code execution. Key Code Snippets: PoC To exploit this vulnerability, set the as a long string like , causing the router to crash. Result The target router crashes and cannot provide services correctly and persistently.