Key Information Product Information Vendor: Shenzhen Tenda Technology Co., Ltd. Affected Product: AC20 Affected Firmware Versions: <= V16.03.08.12 (latest) Firmware Download URL: tenda.com.cn/material/show/3264 Vulnerability Overview Vulnerability Type: Buffer Overflow Trigger Method: Attacker sends a specially crafted HTTP POST request to the path , triggering the vulnerability via . Impact: May lead to Denial of Service (DoS) or Remote Code Execution (RCE). Vulnerability Details Problem Code Snippet: Root Cause: The field assignment causes overflow without proper boundary checking. POC (Proof of Concept) Request Example: Test Results Response Example: