CVE-2021-23147

6.8
MEDIUMCVSS v3.1 Base Score
0.36%
LOW RiskEPSS (28th percentile)

Netgear Nighthawk R6700 version 1.0.4.120 does not have sufficient protections for the UART console. A malicious actor with physical access to the device is able to connect to the UART port via a serial connection and execute commands as the root user without authentication.

Published: 12/30/2021
Modified: 6/17/2026
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Vulnerability Summary

CVSS v3 Score

6.8MEDIUM

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2 Score

7.2

AV:L/AC:L/Au:N/C:C/I:C/A:C

EPSS Score (Exploitation Probability)

0.36%LOW Exploitation Risk
28th percentile

This vulnerability has a 0.36% probability of being exploited in the next 30 days, ranking higher than 28% of all scored CVEs.

CWE Classification

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