Key Information Vulnerability Overview Vulnerability Type: Stack Buffer Overflow Affected Product: Tenda Wi-Fi 5 Router AC1206 (AC1206V1.0RTL_V15.03.06.23) CVE ID: CVE-2021-41798 Vulnerability Details Vendor: Shenzhen Tenda Technology Co., Ltd. Impact Scope: Affected versions may lead to DoS (Denial of Service) and remote code execution. Discoverer: @h4ck3r_0x00 Discovery Process Critical Code Snippet: Reproduction Steps Python Script: Impact Potential Risk: Attackers can exploit this vulnerability to crash the device or execute arbitrary code. Summary This vulnerability exists in a specific version of the Tenda AC1206 router. Due to insufficient input validation, attackers can trigger a stack buffer overflow by crafting an overly long input, potentially leading to device crashes or remote code execution. Users are advised to update to the latest version promptly to mitigate this vulnerability.