high
7.8
CWE
77
Advisory Published
Updated

CVE-2021-45534: Command Injection

First published: Sun Dec 26 2021(Updated: )

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects AC2100 before 1.2.0.88, AC2400 before 1.2.0.88, AC2600 before 1.2.0.88, D7000 before 1.0.1.82, R6220 before 1.1.0.110, R6230 before 1.1.0.110, R6260 before 1.1.0.84, R6330 before 1.1.0.84, R6350 before 1.1.0.84, R6700v2 before 1.2.0.88, R6800 before 1.2.0.88, R6850 before 1.1.0.84, R6900v2 before 1.2.0.88, R7200 before 1.2.0.88, R7350 before 1.2.0.88, R7400 before 1.2.0.88, and R7450 before 1.2.0.88.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Netgear Ac2100 Firmware<1.2.0.88
Netgear Ac2100
Netgear Ac2400 Firmware<1.2.0.88
Netgear Ac2400
Netgear Ac2600 Firmware<1.2.0.88
Netgear Ac2600
Netgear D7000 Firmware<1.0.1.82
NETGEAR D7000
Netgear R6220 Firmware<1.1.0.110
NETGEAR R6220
Netgear R6230 Firmware<1.1.0.110
Netgear R6230
Netgear R6260 Firmware<1.1.0.84
NETGEAR R6260
Netgear R6330 Firmware<1.1.0.84
Netgear R6330
Netgear R6350 Firmware<1.1.0.84
Netgear R6350
Netgear R6700v2 Firmware<1.2.0.88
NETGEAR R6700v2
Netgear R6800 Firmware<1.2.0.88
Netgear R6800
Netgear R6850 Firmware<1.1.0.84
Netgear R6850
Netgear R6900v2 Firmware<1.2.0.88
Netgear R6900v2
Netgear R7200 Firmware<1.2.0.88
Netgear R7200
Netgear R7350 Firmware<1.2.0.88
Netgear R7350
Netgear R7400 Firmware<1.2.0.88
Netgear R7400
Netgear R7450 Firmware<1.2.0.88
NETGEAR R7450

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Reference Links

Frequently Asked Questions

  • Which NETGEAR devices are affected by command injection?

    AC2100 before 1.2.0.88, AC2400 before 1.2.0.88, AC2600 before 1.2.0.88, D7000 before 1.0.1.82, R6220 before 1.1.0.110, R6230 before 1.1.0.110, R6260 before 1.1.0.84, R6330 before 1.1.0.84, R6350 before 1.1.0.84, R6700v2 before 1.2.0.88, R6800 before 1.2.0.88, R6850 before 1.1.0.84, R6900v2 before 1.2.0.88, R7200 before 1.2.0.88, R7350 before 1.2.0.88, R7400 before 1.2.0.88, R7450 before 1.2.0.88.

  • What is the severity of CVE-2021-45534?

    The severity of CVE-2021-45534 is high with a CVSS score of 7.8.

  • How can an authenticated user exploit CVE-2021-45534?

    An authenticated user can exploit CVE-2021-45534 by injecting arbitrary commands and executing them with elevated privileges.

  • Is there a fix available for CVE-2021-45534?

    Yes, a fix is available for CVE-2021-45534. Users should update their affected devices to the latest firmware version.

  • Where can I find more information about CVE-2021-45534?

    You can find more information about CVE-2021-45534 in the following resources: [link1](https://immersivelabs.com/resources/blog/netgear-vulnerabilities-could-put-small-business-routers-at-risk/), [link2](https://kb.netgear.com/000064406/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-and-DSL-Modem-Routers-PSV-2021-0172).

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