# CVE-2017-6334: NETGEAR DGN2200 Devices OS Command Injection Vulnerability

Source: https://junglewise.ai/threats/cve-2017-6334-netgear-dgn2200-devices-os-command-injection-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-03-25. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2017-6334 · Severity: critical · CVSS 8.8 · Exploited in the wild · Published 2022-03-25

The dnslookup.cgi component on NETGEAR DGN2200 devices allows remote authenticated users to execute arbitrary OS commands via shell metacharacters in the host_name field of an HTTP POST request. This vulnerability affects multiple hardware revisions (v1-v4) running firmware versions up to 10.0.0.50.

Vendors: [NETGEAR](https://junglewise.ai/threats/vendors/netgear).

## Quick answers

**Is CVE-2017-6334 exploited in the wild?** Yes. CVE-2017-6334 is known to be exploited in the wild, first recorded on 25 March 2022. Treat it as urgent.

**How severe is CVE-2017-6334?** Critical severity, with a CVSS score of 8.8, published 25 March 2022.

**Which products and versions are affected?** NETGEAR DGN2200 firmware through 10.0.0.50; NETGEAR DGN2200v1; NETGEAR DGN2200v2; NETGEAR DGN2200v3; and 1 more.

**Is there a fix for CVE-2017-6334?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2017-6334 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2017-6334?** Check whether you run NETGEAR DGN2200 Devices. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- NETGEAR DGN2200 firmware through 10.0.0.50
- NETGEAR DGN2200v1
- NETGEAR DGN2200v2
- NETGEAR DGN2200v3
- NETGEAR DGN2200v4

## Timeline

- 2017-03-07: disclosed: Initial analysis by NIST
- 2022-03-25: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
- 2022-03-25: other: Vulnerability published on NVD