Netgear DGN2200B contains a vulnerability that could allow an unauthenticated, remote attacker to to execute arbitrary commands on a targeted system. Updates are not available.
A vulnerability in Netgear DGN2200B could allow an unauthenticated, remote attacker to execute arbitrary shell commands.
The vulnerability is due to an authentication failure error within affected software. An exploit could allow the attacker to disclose authorized Point-to-Point Protocol over Ethernet (PPPoE) data from the device. The attacker may leverage this vulnerability to conduct additional attacks.
Proof-of-concept code that exploits this vulnerability is publicly available.
Netgear has not confirmed this vulnerability and updated software is not available.
Netgear DGN2200B firmware version 18.104.22.168_7.0.36 is vulnerable. Other versions could also be vulnerable.
Successful exploitation could allow the attacker to upload and execute a backdoor to carry out additional attacks.
Vendor announcements are not available.
An unauthenticated, remote attacker could exploit the vulnerability to execute arbitrary shell commands with the privileges of the user.
The vulnerability is due to insufficient input validation in the pppoe_username parameter while processing HTTP requests.
An unauthenticated, remote attacker could exploit this vulnerability by transmitting crafted requests to the affected device. Successful exploitation could allow the attacker to disclose unauthorized Point-to-Point Protocol over Ethernet (PPPoE). The attacker could use this information to launch additional attacks or to inject and execute arbitrary shell commands.
Administrators are advised to contact the vendor regarding future updates and releases.
Administrators are advised to allow only trusted users to have network access.
Administrators are advised to implement an intrusion prevention system (IPS) or intrusion detection system (IDS) to help detect and prevent attacks that attempt to exploit this vulnerability.
Administrators are advised to monitor affected systems.
The security vulnerability applies to the following combinations of products.
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