TOTOLINK A3002RU boaf ormDnsV6 Stack Overflow Proof of Concept Vulnerable Function: Exploit Type: Stack overflow via Vulnerable Code: Direct use of to copy to stack buffer Affected Version A3002RUV2 <= V2.1.1-B20211108.1455 Vulnerability Description Issue: The TOTOLINK A3002RU service interface does not properly filter user input. Impact: Authenticated attackers can exploit stack overflow vulnerability by sending specially crafted requests, potentially hijacking execution flow and leading to arbitrary code execution. Vulnerability Analysis Specific Vulnerable Code: Crashing Point: Stack overflow due to unsafe without length checks, causing program crash and potential code execution.