8.8
CWE
78 77
Advisory Published
Updated

CVE-2021-20173: OS Command Injection

First published: Thu Dec 30 2021(Updated: )

Netgear Nighthawk R6700 version 1.0.4.120 contains a command injection vulnerability in update functionality of the device. By triggering a system update check via the SOAP interface, the device is susceptible to command injection via preconfigured values.

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-2021-20173?

    CVE-2021-20173 is a command injection vulnerability in the update functionality of Netgear Nighthawk R6700 version 1.0.4.120.

  • How does CVE-2021-20173 work?

    CVE-2021-20173 can be exploited by triggering a system update check via the SOAP interface, allowing an attacker to inject commands through preconfigured values.

  • What is the severity of CVE-2021-20173?

    The severity rating of CVE-2021-20173 is high, with a CVSS score of 8.8.

  • Which software versions are affected by CVE-2021-20173?

    Netgear Nighthawk R6700 version 1.0.4.120 is affected by CVE-2021-20173.

  • How can I mitigate CVE-2021-20173?

    To mitigate CVE-2021-20173, update the firmware of the Netgear Nighthawk R6700 device to a version that does not contain the vulnerability.

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