CVE-2017-6334
CVE-2017-6334 is a high-severity vulnerability in Netgear Dgn2200 Series Firmware with a CVSS 3.x base score of 8.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2022-03-25). The underlying weakness is classified as CWE-78.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 9.0
- EPSS exploit prediction: 72% (99th percentile)
- Actively exploited: Yes — listed in CISA KEV (added 2022-03-25)
- EU (EUVD) id: EUVD-2017-15395
- EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2022-03-25)
- Weakness: CWE-78
- Affected product: Netgear Dgn2200 Series Firmware
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-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.
- How severe is CVE-2017-6334?
- CVE-2017-6334 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2017-6334 being actively exploited?
- Yes. CVE-2017-6334 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-03-25, which means active exploitation has been confirmed. It should be prioritised for remediation.
- What products are affected by CVE-2017-6334?
- CVE-2017-6334 affects Netgear Dgn2200 Series Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2017-6334?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
- Does CVE-2017-6334 have an EU (EUVD) identifier?
- Yes. CVE-2017-6334 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2017-15395. It is also flagged as exploited in the EUVD (since 2022-03-25).
- When was CVE-2017-6334 published?
- CVE-2017-6334 was published on 2017-03-06 and last updated on 2026-06-17.
References
- http://www.securityfocus.com/bid/96463
- https://www.exploit-db.com/exploits/41459/
- https://www.exploit-db.com/exploits/41472/
- https://www.exploit-db.com/exploits/42257/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-6334
Affected products (1)
- cpe:2.3:o:netgear:dgn2200_series_firmware:*:*:*:*:*:*:*:*
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