dnslookup.cgi on NETGEAR DGN2200 devices with firmware through 10.0.0.50 allows remote…
Priority CRITICAL 97Exploited in the wildCWE-78Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-78.
Summary
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.
Why it matters now
Exploitation Active In CISA KEV since 2022-03-25CISA due date 2022-04-15
EPSS 0.7264 99th percentileScored 2026-11-07
Public exploit Yes 3 exploit referencesTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Active
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:netgear:dgn2200_series_firmware:*:*:*:*:*:*:*:* | up to 10.0.0.50 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:dgn2200v1:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:h:netgear:dgn2200v2:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:h:netgear:dgn2200v3:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:h:netgear:dgn2200v4:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
- cpe:2.3:o:netgear:dgn2200_series_firmware:*:*:*:*:*:*:*:* Versions up to 10.0.0.50 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:dgn2200v1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:h:netgear:dgn2200v2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:h:netgear:dgn2200v3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:h:netgear:dgn2200v4:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
Remediation
No fixed version listed by the sources yet.
Timeline
- 2022-03-25 Added to CISA KEV
- 2026-10-02 Threatist record created from CVE-2017-6334
- 2026-10-03 Alias added: GHSA-fmcr-2q62-c3m5
Sources
- CVE-2017-6334 · CVE Program
- CVE-2017-6334 · NVD
- CISA Known Exploited Vulnerabilities
- FIRST EPSS
- GHSA-fmcr-2q62-c3m5 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences