CVE-2017-6334 is a vulnerability in Netgear Dgn2200 Series Firmware
Published on March 6, 2017
dnslookup.cgi on NETGEAR DGN2200 devices with firmware through 10.0.0.50 allows remote authenticated users to execute arbitrary OS commands via shell metacharacters in the host_name field of an HTTP POST request, a different vulnerability than CVE-2017-6077.
Known Exploited Vulnerability
This NETGEAR DGN2200 Devices OS Command Injection Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. dnslookup.cgi on NETGEAR DGN2200 devices with firmware through 10.0.0.50 allows remote authenticated users to execute arbitrary OS commands.
The following remediation steps are recommended / required by April 15, 2022: The impacted product is end-of-life and should be disconnected if still in use.
Vulnerability Analysis
CVE-2017-6334 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. It has an exploitability score of 2.8 out of four. The potential impact of an exploit of this vulnerability is considered to be very high.
What is a Shell injection Vulnerability?
The software constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
CVE-2017-6334 has been classified to as a Shell injection vulnerability or weakness.
Products Associated with CVE-2017-6334
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What versions of Dgn2200 Series Firmware are vulnerable to CVE-2017-6334?
Each of the following must match for the vulnerability to exist.