Key Information Vulnerability Overview Vendor: Linksys Affected Products: RE6500, RE6300, RE6350, RE7000, RE9000, etc. Versions: - RE6500: v1.0.04.001 - RE6300: v2.07.001 - RE6350: v1.04.001 - RE7000: v1.05.003 - RE9000: v1.04.002 Vulnerability Type: Stack Overflow Author: Jiaquan Peng Email: pengjiaquan@dlie.ac.cn Institution: Institute of Information Engineering, Chinese Academy of Sciences Vulnerability Description Vulnerability Details: A stack overflow vulnerability was discovered in the latest firmware of Linksys routers, allowing remote attackers to crash the server. Stack Overflow: In the function, the parameter is directly passed to the attacker. If the input data is excessively long, it causes a stack overflow, enabling the attacker to execute arbitrary code. Exploitation Steps 1. Set to in . 2. Trigger the vulnerability within . Additional Notes To prevent such issues, it is recommended to validate string content during input extraction. PoC (Proof of Concept) Setting Triggering the Vulnerability Result The target router crashes and fails to provide normal services.