CVE-2017-6334
NETGEAR DGN2200 Devices OS Command Injection Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 15 April 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 72.64% probability · 99th percentile
- Public exploits
- 3 in Exploit-DB · verified · first 25 February 2017
- CISA KEV
- Listed 25 March 2022 · due 15 April 2022
- Weakness
- CWE-78
- Affected
- netgear/dgn2200 series firmware
- Source
- cve@mitre.org
EPSS 72.6% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
The impacted product is end-of-life and should be disconnected if still in use. https://nvd.nist.gov/vuln/detail/CVE-2017-6334
Public exploits (3)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
| EDB-ID | Title | Type | Published | Verified |
|---|---|---|---|---|
| EDB-42257source ↗ | Netgear DGN2200 - 'dnslookup.cgi' Command Injection (Metasploit)cgi · Metasploit | remote | 26 June 2017 | yes |
| EDB-41472source ↗ | Netgear DGN2200v1/v2/v3/v4 - Cross-Site Request Forgeryhardware · SivertPL | webapps | 28 February 2017 | no |
| EDB-41459source ↗ | Netgear DGN2200v1/v2/v3/v4 - 'dnslookup.cgi' Remote Command Executionhardware · SivertPL | webapps | 25 February 2017 | yes |
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.