F453 Vulnerability CVE Number: CVE-2026-3377 Vendor: Tenda Product: F453 Version: V1.0.0.3 Vulnerability: Buffer overflow Firmware Download: Link Author: Li Tengzheng Descriptions An overflow vulnerability exists in : In the function, it reads from user-provided parameters and . If the value is empty, the variable is passed to the function without any length check, which may overflow the stack-based buffer . Proof of Concept (PoC) Overcome The vulnerability can lead to a denial of service attack or remote code execution when the page is requested. `` vul_77`. The proof of concept demonstrates how an attacker might exploit the buffer overflow by sending a specially crafted request. The image at the bottom appears to be an example of error messages that might be seen when attempting to exploit the vulnerability, indicating a segmentation fault as a potential consequence.