high
8.8
CWE
77
Advisory Published
Updated

CVE-2021-45557: Command Injection

First published: Sun Dec 26 2021(Updated: )

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects GC108P before 1.0.8.2, GC108PP before 1.0.8.2, GS108Tv3 before 7.0.7.2, GS110TPv3 before 7.0.7.2, GS110TPP before 7.0.7.2, GS110TUP before 1.0.5.3, GS710TUP before 1.0.5.3, GS308T before 1.0.3.2, GS310TP before 1.0.3.2, GS710TUP before 1.0.5.3, GS716TP before 1.0.4.2, GS716TPP before 1.0.4.2, GS724TPP before 2.0.6.3, GS724TPv2 before 2.0.6.3, GS724TPP before 2.0.6.3, GS728TPPv2 before 6.0.8.2, GS728TPv2 before 6.0.8.2, GS752TPv2 before 6.0.8.2, GS752TPP before 6.0.8.2, GS750E before 1.0.1.10, MS510TXM before 1.0.4.2, and MS510TXUP before 1.0.4.2.

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
All of
Netgear GC108P<1.0.8.2
Netgear GC108P
All of
Netgear Gc108pp Firmware<1.0.8.2
Netgear GC108P
All of
Netgear GS108Ev3 Firmware<7.0.7.2
Netgear GS108Ev3 Firmware
All of
Netgear GS110TPv3 Firmware<7.0.7.2
Netgear GS110TPv3 Firmware
All of
Netgear GS110TPP Firmware<7.0.7.2
Netgear GS110TPP Firmware
All of
Netgear GS110TUP<1.0.5.3
Netgear GS110TUP Firmware
All of
Netgear GS710TUP<1.0.5.3
Netgear GS710TUP Firmware
All of
Netgear GS308T Firmware<1.0.3.2
Netgear GS308T Firmware
All of
Netgear GS310TP Firmware<1.0.3.2
Netgear GS310TP Firmware
All of
Netgear GS716TP Firmware<1.0.4.2
Netgear GS716TP Firmware
All of
Netgear GS716TPP Firmware<1.0.4.2
Netgear GS716TPP Firmware
All of
Netgear GS724TPP Firmware<2.0.6.3
Netgear GS724TPP Firmware
All of
Netgear GS724TPv2<2.0.6.3
Netgear GS724TPv2 Firmware
All of
Netgear GS728TPP v2 Firmware<6.0.8.2
Netgear GS728TPP v2 Firmware
All of
Netgear GS728TPP v2 Firmware<6.0.8.2
Netgear GS728TPP v2 Firmware
All of
Netgear GS752TPv2 Firmware<6.0.8.2
Netgear GS752TPv2 Firmware
All of
Netgear GS752TPP Firmware<6.0.8.2
Netgear GS752TPP Firmware
All of
Netgear GS750E<1.0.1.10
Netgear GS750E Firmware
All of
Netgear MS510TXM Firmware<1.0.4.2
Netgear MS510TXM Firmware
All of
Netgear MS510TxUP<1.0.4.2
Netgear MS510TXUP Firmware
Netgear GC108P<1.0.8.2
Netgear GC108P
Netgear Gc108pp Firmware<1.0.8.2
Netgear GC108P
Netgear GS108Ev3 Firmware<7.0.7.2
Netgear GS108Ev3 Firmware
Netgear GS110TPv3 Firmware<7.0.7.2
Netgear GS110TPv3 Firmware
Netgear GS110TPP Firmware<7.0.7.2
Netgear GS110TPP Firmware
Netgear GS110TUP<1.0.5.3
Netgear GS110TUP Firmware
Netgear GS710TUP<1.0.5.3
Netgear GS710TUP Firmware
Netgear GS308T Firmware<1.0.3.2
Netgear GS308T Firmware
Netgear GS310TP Firmware<1.0.3.2
Netgear GS310TP Firmware
Netgear GS716TP Firmware<1.0.4.2
Netgear GS716TP Firmware
Netgear GS716TPP Firmware<1.0.4.2
Netgear GS716TPP Firmware
Netgear GS724TPP Firmware<2.0.6.3
Netgear GS724TPP Firmware
Netgear GS724TPv2<2.0.6.3
Netgear GS724TPv2 Firmware
Netgear GS728TPP v2 Firmware<6.0.8.2
Netgear GS728TPP v2 Firmware
Netgear GS728TPP v2 Firmware<6.0.8.2
Netgear GS728TPP v2 Firmware
Netgear GS752TPv2 Firmware<6.0.8.2
Netgear GS752TPv2 Firmware
Netgear GS752TPP Firmware<6.0.8.2
Netgear GS752TPP Firmware
Netgear GS750E<1.0.1.10
Netgear GS750E Firmware
Netgear MS510TXM Firmware<1.0.4.2
Netgear MS510TXM Firmware
Netgear MS510TxUP<1.0.4.2
Netgear MS510TXUP Firmware

Remedy

https://kb.netgear.com/000064164/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Switches-PSV-2021-0167

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Reference Links

Frequently Asked Questions

  • What is CVE-2021-45557?

    CVE-2021-45557 is a vulnerability that affects certain NETGEAR devices and allows authenticated users to execute arbitrary commands.

  • Which devices are affected by CVE-2021-45557?

    CVE-2021-45557 affects GC108P, GC108PP, GS108Tv3, GS110TPv3, GS110TPP, GS110TUP, GS710TUP, GS308T, and GS310TP.

  • What is the severity of CVE-2021-45557?

    CVE-2021-45557 has a severity level of 8.8, which is considered high.

  • How can an authenticated user exploit CVE-2021-45557?

    An authenticated user can exploit CVE-2021-45557 by injecting malicious commands.

  • Is there a fix available for CVE-2021-45557?

    Yes, a fix for CVE-2021-45557 is available. Please refer to the Netgear Security Advisory for more information.

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