Key Information Target Device Device Model: TOTOLink A3100R Firmware Version: V5.9c 1527 Vulnerability Type Type: Buffer Overflow Vulnerability Description Interface: interface in Parameter: Issue: The parameter is passed to the variable without filtering or length checking, leading to a buffer overflow. Technical Details Function Address: Critical Code: Risk: Attackers can trigger a buffer overflow by sending an overly long string, potentially leading to arbitrary code execution or system crash. Exploitation Method Method: Sending a malicious configuration file or crafting an HTTP request containing an excessively long . Example Request: Impact Potential Consequences: System crash or further exploitation by attackers, potentially leading to a complete system compromise.