Chunghwa Telecom NOKIA G-040W-Q Firewall function has a vulnerability of input validation for ICMP redirect messages. An unauthenticated remote attacker can exploit this vulnerability by sending a crafted package to modify the network routing table, resulting in a denial of service or sensitive information leaking.

Chunghwa Telecom NOKIA G-040W-Q Firewall function does not block ICMP TIMESTAMP requests by default, an unauthenticated remote attacker can exploit this vulnerability by sending a crafted package, resulting in partially sensitive information exposed to an actor.

Chunghwa Telecom NOKIA G-040W-Q has a vulnerability of weak password requirements. A remote attacker with regular user privilege can easily infer the administrator password from system information after logging system, resulting in admin access and performing arbitrary system operations or disrupt service.

Chunghwa Telecom NOKIA G-040W-Q has a vulnerability of insufficient filtering for user input. A remote attacker with administrator privilege can exploit this vulnerability to perform a Command Injection attack to execute arbitrary commands, disrupt the system or terminate services.

Chunghwa Telecom NOKIA G-040W-Q has a vulnerability of authentication bypass, which allows an unauthenticated remote attacker to bypass the authentication mechanism to log in to the device by an alternative URL. This makes it possible for unauthenticated remote attackers to log in as any existing users, such as an administrator, to perform arbitrary system operations or disrupt service.

Chunghwa Telecom NOKIA G-040W-Q has a vulnerability of insufficient measures to prevent multiple failed authentication attempts. An unauthenticated remote attacker can execute a crafted Javascript to expose captcha in page, making it very easy for bots to bypass the captcha check and more susceptible to brute force attacks.