NETGEAR.USB.CGI.Buffer.Overflow

Description

This indicates an attack attempt to exploit a Post-Authentication Stack Buffer Overflow vulnerability in Netgear Routers.
The vulnerability is caused by stack buffer overflow issue in CGI handler. An attacker can trick an unsuspecting user into visiting a malicious webpage and execute arbitrary code within the context of the application.

Affected Products

D8500, running firmware versions prior to 1.0.3.44
R6250, running firmware versions prior to 1.0.4.34
R6300v2, running firmware versions prior to 1.0.4.32
R6400, running firmware versions prior to 1.0.1.46
R6700, running firmware versions prior to 1.0.2.6
R6900, running firmware versions prior to 1.0.2.4
R6900P, running firmware versions prior to 1.3.1.64
R7000, running firmware versions prior to 1.0.9.42
R7000P, running firmware versions prior to 1.3.1.64
R7100LG, running firmware versions prior to 1.0.0.50
R7300DST, running firmware versions prior to 1.0.0.70
R7900, running firmware versions prior to 1.0.3.8
R7900P, running firmware versions prior to 1.4.1.30
R8000, running firmware versions prior to 1.0.4.28
R8000P, running firmware versions prior to 1.4.1.30
R8300, running firmware versions prior to 1.0.2.128
R8500, running firmware versions prior to 1.0.2.128

Impact

System Compromise: Remote attackers can gain control of vulnerable systems

Recommended Actions

Refer to the vendor's advisory for updates:
https://kb.netgear.com/000061215/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-and-Gateways-PSV-2018-0253

References