CVE-2021-20174: NETGEAR r6700 Firmware

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

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

Affected products

• NETGEAR r6700 Firmware: version 1.0.4.120 only

Published 2021-12-30. Last modified 2026-06-17.