Key Information Product Information Vendor: TOTOLINK Affected Product: EX1200T Affected Firmware Version: V4.1.2cu.5232_B20210713 Vulnerability Overview Vulnerability Type: Buffer Overflow Trigger Method: Sending a malicious HTTP POST request to the route Impact: Attackers can perform a Denial of Service (DoS) attack Vulnerability Details Code Snippet: - When the length of exceeds 8, a system command is executed followed by a 20-second sleep, causing service interruption. Buffer Overflow Location: - The function may cause a buffer overflow, as it does not check the lengths of and . POC (Proof of Concept) HTTP Request Example: Response Result: - Returns an error message, indicating the request was processed but may have triggered the vulnerability.