CWE
77
Advisory Published
Updated

CVE-2021-45626: Command Injection

First published: Sun Dec 26 2021(Updated: )

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects RBK20 before 2.6.1.36, RBR20 before 2.6.1.36, RBS20 before 2.6.1.38, RBK40 before 2.6.1.36, RBR40 before 2.6.1.36, RBS40 before 2.6.1.38, RBK50 before 2.6.1.40, RBR50 before 2.6.1.40, RBS50 before 2.6.1.40, and RBS50Y before 2.6.1.40.

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

Affected SoftwareAffected VersionHow to fix
NETGEAR RBK20 Router Firmware<2.6.1.38
NETGEAR Orbi RBK20
NETGEAR RBR20<2.6.1.36
NETGEAR RBR20
NETGEAR RBS20<2.6.1.38
NETGEAR RBS20 firmware
NETGEAR RBK40 Satellite Firmware<2.6.1.38
NETGEAR RBK40 firmware
NETGEAR CBR40 firmware<2.6.1.36
NETGEAR RBR40 firmware
NETGEAR RBS40 Firmware<2.6.1.38
NETGEAR RBS40 firmware
NETGEAR RBK50 firmware<2.6.1.40
NETGEAR Orbi RBK50
NETGEAR RBR50 firmware<2.6.1.40
NETGEAR RBR50 firmware
NETGEAR RBS50 Firmware<2.6.1.40
NETGEAR RBS50
NETGEAR RBS50Y firmware<2.6.1.40
NETGEAR RBS50Y firmware
All of
NETGEAR RBK20 Router Firmware<2.6.1.38
NETGEAR Orbi RBK20
All of
NETGEAR RBR20<2.6.1.36
NETGEAR RBR20
All of
NETGEAR RBS20<2.6.1.38
NETGEAR RBS20 firmware
All of
NETGEAR RBK40 Satellite Firmware<2.6.1.38
NETGEAR RBK40 firmware
All of
NETGEAR CBR40 firmware<2.6.1.36
NETGEAR RBR40 firmware
All of
NETGEAR RBS40 Firmware<2.6.1.38
NETGEAR RBS40 firmware
All of
NETGEAR RBK50 firmware<2.6.1.40
NETGEAR Orbi RBK50
All of
NETGEAR RBR50 firmware<2.6.1.40
NETGEAR RBR50 firmware
All of
NETGEAR RBS50 Firmware<2.6.1.40
NETGEAR RBS50
All of
NETGEAR RBS50Y firmware<2.6.1.40
NETGEAR RBS50Y firmware

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Frequently Asked Questions

  • What is CVE-2021-45626?

    CVE-2021-45626 is a vulnerability that affects certain NETGEAR devices, allowing an unauthenticated attacker to perform command injection.

  • Which devices are affected by CVE-2021-45626?

    RBK20 before 2.6.1.36, RBR20 before 2.6.1.36, RBS20 before 2.6.1.38, RBK40 before 2.6.1.36, RBR40 before 2.6.1.36, RBS40 before 2.6.1.38, RBK50 before 2.6.1.40, RBR50 before 2.6.1.40, RBS50 before 2.6.1.40, and RBS50Y before 2.6.1.40 are affected.

  • What is the severity of CVE-2021-45626?

    CVE-2021-45626 has a severity rating of 8.8 (critical).

  • How can an attacker exploit CVE-2021-45626?

    An unauthenticated attacker can exploit CVE-2021-45626 by performing command injection attacks.

  • Is there a fix available for CVE-2021-45626?

    Yes, a fix is available for CVE-2021-45626. It is recommended to update the affected devices to the latest firmware versions.

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