Is CVE-2017-6366 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2017-6366, but active exploitation has not been confirmed.

Can CVE-2017-6366 be exploited remotely?

Yes. CVE-2017-6366 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2017-6366?

CVE-2017-6366 has a CVSS score of 8.8 (HIGH).

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HIGHPOC

CVE-2017-6366

CWE-352Published: March 15, 2017· Updated: Jun 17, 2026

8.8

CVSS v3.1

Official Description

Cross-site request forgery (CSRF) vulnerability in NETGEAR DGN2200 routers with firmware 10.0.0.20 through 10.0.0.50 allows remote attackers to hijack the authentication of users for requests that perform DNS lookups via the host_name parameter to dnslookup.cgi. NOTE: this issue can be combined with CVE-2017-6334 to execute arbitrary code remotely.

NVD Source

Technical Analysis

CVE-2017-6366 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

A proof-of-concept (PoC) exploit exists for CVE-2017-6366. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.