Key Information Vulnerability Overview Vulnerability Type: Stack Overflow Vulnerability Affected Device: Tenda FH1206 Affected Firmware Version: V15.03.05.16.multi Vulnerable Function: Problematic Parameter: Issue Description: The parameter, retrieved from an HTTP request, is directly copied into a fixed-size buffer without length checking, leading to a stack overflow. Root Cause Analysis Root Cause: User input is not properly validated or sanitized; unsafe use of operation. Code Snippet: Affected Versions Affected Version: Tenda FH1206 V02.03.01.35 Proof of Concept (PoC) Python PoC: Execution Result: Connection failed, segmentation fault (core dumped) Mitigation Measures Recommended Actions: - Apply the latest firmware update to resolve this issue. - Ensure proper input validation and sanitization to prevent stack overflow attacks.