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Vulnerabilities

Vulnerability · CVE-2017-6334

NETGEAR DGN2200 Devices OS Command Injection Vulnerability

Published Mar 5, 2017 · catalog updated Jun 16, 2026 · NETGEAR DGN2200 Devices

Patch now

CVE-2017-6334 is in the CISA known-exploited catalog, due Apr 15, 2022. Confirm NETGEAR DGN2200 Devices against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
High8.8
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
72.64%
Remediation
Remediation guidance
Affected products
cpe netgear/dgn2200 series firmware · vendor NETGEAR DGN2200 Devices

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe netgear/dgn2200 series firmwareversion unspecified
  • vendor NETGEAR DGN2200 Devicesversion unspecified

How to fix CVE-2017-6334

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2017-6334 is in the CISA known-exploited catalog, due Apr 15, 2022. Confirm NETGEAR DGN2200 Devices against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. The impacted product is end-of-life and should be disconnected if still in use.

What should an analyst verify?

CWE-78: OS Command Injection. EPSS 72.64%. The CISA KEV listing is the exploitation evidence. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 5, 2017 · Catalog

    Detected

    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.

  2. Mar 25, 2022 · CISA KEV

    Known exploited

    The impacted product is end-of-life and should be disconnected if still in use.

  3. Apr 15, 2022 · CISA KEV

    Remediation due

    The impacted product is end-of-life and should be disconnected if still in use.

  4. Jun 16, 2026 · Catalog

    Updated

    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.

Sources

  • CISA KEVConfirmed exploitationCVE-2017-6334

    dnslookup.cgi on NETGEAR DGN2200 devices with firmware through 10.0.0.50 allows remote authenticated users to execute arbitrary OS commands

    cisa.gov
  • CVE.orgVulnerability recordCVE-2017-6334

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2017-6334

    30-day exploitation probability 72.6%

    first.org
  • Exploit DatabasePublic exploit reference41459

    Public archive entry. The exploit body is not stored here.

    exploit-db.com
  • Exploit DatabasePublic exploit reference41472

    Public archive entry. The exploit body is not stored here.

    exploit-db.com
  • Exploit DatabasePublic exploit reference42257

    Public archive entry. The exploit body is not stored here.

    exploit-db.com
  • Metasploit ModulesPublic exploit moduleexploit_linux/http/netgear_dnslookup_cmd_exec

    Public module reference (excellent). Module source is not copied into this catalog.

    rapid7.com
  • NIST NVDVulnerability recordCVE-2017-6334

    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.

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2017-6334

    dnslookup.cgi on NETGEAR DGN2200 devices with firmware through 10.0.0.50 allows remote authenticated users to execute arbitrary OS commands

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.