CVE-2017-6334
dnslookup.cgi on NETGEAR DGN2200 devices with firmware through 10.0.0.50 allows remote authenticated users to execute arbitrary OS…
- 8.8HighCVSS base score
- 72.6%Exploitation in 30 daysEPSS · top 0.6% of all CVEs
- YesKnown exploitedin CISA's KEV since 25 Mar 2022
- 4Public exploitsMetasploit, Nuclei and Exploit-DB
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.
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as NETGEAR DGN2200 Devices OS Command Injection Vulnerability.
- Added
- 25 Mar 2022
- Fix due (US federal)
- 15 Apr 2022
- Used by ransomware
- Not known
The impacted product is end-of-life and should be disconnected if still in use.
ENISA's EU Vulnerability Database lists it as exploited, from CISA's KEV, since 25 Mar 2022.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list a Metasploit module and 3 Exploit-DB entries for it. 3 references of the record are tagged as an exploit. CISA's SSVC rates its exploitation: it is being exploited.
Show the exploits7
Metasploit modules1 module
- Netgear DGN2200 dnslookup.cgi Command Injection (Metasploit module) (opens in a new tab)
exploit/linux/http/netgear_dnslookup_cmd_execRank excellentdisclosed 25 Feb 2017
Exploit-DB3 entries
- Netgear DGN2200 - 'dnslookup.cgi' Command Injection (Metasploit) (Exploit-DB entry) (opens in a new tab)
EDB-ID 42257remote, cgipublished 26 Jun 2017Verified
- Netgear DGN2200v1/v2/v3/v4 - Cross-Site Request Forgery (Exploit-DB entry) (opens in a new tab)
EDB-ID 41472webapps, hardwarepublished 28 Feb 2017Not verified
- Netgear DGN2200v1/v2/v3/v4 - 'dnslookup.cgi' Remote Command Execution (Exploit-DB entry) (opens in a new tab)
EDB-ID 41459webapps, hardwarepublished 25 Feb 2017Verified
References tagged exploit3 references
- 41459 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- 41472 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- 42257 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mitre
- 8 days later
· 8 days later
Published
- 5 years later
· 5 years later
Added to CISA KEV
Known exploited in the wild
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 72.6% · top 0.6% of all CVEs (9 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Affected products
n/a
- affected n/a
References
5
- 96463 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 41459 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- 41472 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- 42257 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-6334 (opens in a new tab)government-resource
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2017-15395 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2017-6334)Record last updated .