Linksys Vulnerability Vendor and Product Information Vendor: Linksys Affected Products: RE6500, RE6250, RE6300, RE6350, RE7000, RE9000 Versions: - RE6500 (1.0.013.001) - RE6250 (1.0.04.001) - RE6300 (1.2.07.001) - RE6350 (1.0.04.001) - RE7000 (1.1.05.003) - RE9000 (1.0.04.002) Vulnerability Type Type: Stack Overflow Author and Contact Author: Jiaqian Peng Email: pengjiaqian@lie.ac.cn Institution: Institute of Information Engineering, Chinese Academy of Sciences (IIE, CAS) Vulnerability Description A stack overflow vulnerability was found in the Linksys router firmware, allowing remote attackers to crash the server. Stack Overflow Details The parameter in the binary's function is directly passed by the attacker. If this data exceeds a certain length, it causes a stack overflow, enabling arbitrary code execution. Proof of Concept (PoC) To exploit this vulnerability, set as a long string (e.g., "aaaaa...") and send a POST request to . The router will crash. Result The target router crashes and cannot provide services correctly and persistently.