CVE-2017-6334

Name: CVE-2017-6334
Creator: NVD / NIST
Published: 2017-03-06T02:59:00.433+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10Actively ExploitedEPSS 72.20%

Last modified Jun 17, 2026

CVE-2017-6334 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. CISA has confirmed active exploitation in the wild. EPSS estimates a 72.20% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

72.20%

99.4th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by Apr 15, 2022.

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Netgear	Dgn2200 Series Firmware	<= 10.0.0.50

References

http://www.securityfocus.com/bid/96463Broken Link, Third Party Advisory, VDB Entry
https://www.exploit-db.com/exploits/41459/Exploit, Third Party Advisory, VDB Entry
https://www.exploit-db.com/exploits/41472/Exploit, Third Party Advisory, VDB Entry
https://www.exploit-db.com/exploits/42257/Exploit, Third Party Advisory, VDB Entry
http://www.securityfocus.com/bid/96463Broken Link, Third Party Advisory, VDB Entry
https://www.exploit-db.com/exploits/41459/Exploit, Third Party Advisory, VDB Entry
https://www.exploit-db.com/exploits/41472/Exploit, Third Party Advisory, VDB Entry
https://www.exploit-db.com/exploits/42257/Exploit, Third Party Advisory, VDB Entry
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-6334US Government Resource

Timeline

Published: Mar 6, 2017
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2017-6334?

How severe is CVE-2017-6334?

CVE-2017-6334 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 72.20% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2017-6334?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-6334?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST