A buffer overflow vulnerability has been identified in Tenda F456 router firmware version 1.0.0.5. The vulnerability affects the fromSafeUrlFilter function in the /goform/SafeUrlFilter file of the httpd component. An attacker can exploit this by manipulating the 'page' argument to trigger a buffer overflow. The vulnerability can be exploited remotely, making it particularly dangerous. Public exploits are now available, increasing the risk of active exploitation. This affects network infrastructure devices commonly used in home and small business environments.