Is CVE-2021-20175 actively exploited?

No active exploitation of CVE-2021-20175 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-20175 be exploited remotely?

Yes. CVE-2021-20175 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-20175?

CVE-2021-20175 has a CVSS score of 7.5 (HIGH).

HOME VULNERABILITIESCVE-2021-20175

HIGH

CVE-2021-20175

CWE-319Published: December 30, 2021· Updated: Jun 17, 2026

7.5

CVSS v3.1

Official Description

Netgear Nighthawk R6700 version 1.0.4.120 does not utilize secure communication methods to the SOAP interface. By default, all communication to/from the device's SOAP Interface (port 5000) is sent via HTTP, which causes potentially sensitive information (such as usernames and passwords) to be transmitted in cleartext

NVD Source

Technical Analysis

CVE-2021-20175 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.5.