7.2
CWE
287
Advisory Published
Updated

CVE-2021-23147

First published: Thu Dec 30 2021(Updated: )

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.

Credit: vulnreport@tenable.com

Affected SoftwareAffected VersionHow to fix
Netgear R6700 Firmware=1.0.4.120
NETGEAR R6700

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Frequently Asked Questions

  • What is CVE-2021-23147?

    CVE-2021-23147 is a vulnerability in the Netgear Nighthawk R6700 router firmware version 1.0.4.120 that allows a malicious actor with physical access to the device to execute commands as the root user without authentication.

  • How does CVE-2021-23147 impact the Netgear Nighthawk R6700 router?

    CVE-2021-23147 allows an attacker who has physical access to the router to connect to the UART port and gain root access without authentication.

  • What is the severity of CVE-2021-23147?

    CVE-2021-23147 has a severity rating of 6.8 (high).

  • What is the Common Weakness Enumeration (CWE) ID for CVE-2021-23147?

    The Common Weakness Enumeration (CWE) ID for CVE-2021-23147 is CWE-287.

  • How can I fix the CVE-2021-23147 vulnerability in my Netgear Nighthawk R6700 router?

    To fix the CVE-2021-23147 vulnerability, update your Netgear Nighthawk R6700 router firmware to a version that includes sufficient protections for the UART console.

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