critical
10
CWE
77
Advisory Published
Updated

CVE-2021-45620: Command Injection

First published: Sun Dec 26 2021(Updated: )

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects CBR40 before 2.5.0.24, CBR750 before 4.6.3.6, EAX20 before 1.0.0.58, EAX80 before 1.0.1.68, LAX20 before 1.1.6.28, MR60 before 1.0.6.116, MR80 before 1.1.2.20, MS60 before 1.0.6.116, MS80 before 1.1.2.20, MK62 before 1.0.6.116, MK83 before 1.1.2.20, R6400 before 1.0.1.70, R6400v2 before 1.0.4.106, R6700v3 before 1.0.4.106, R6900P before 1.3.3.140, R7000 before 1.0.11.126, R7000P before 1.3.3.140, R7850 before 1.0.5.74, R7900 before 1.0.4.46, R7900P before 1.4.2.84, R7960P before 1.4.2.84, R8000 before 1.0.4.74, R8000P before 1.4.2.84, RAX15 before 1.0.3.96, RAX20 before 1.0.3.96, RAX200 before 1.0.4.120, RAX35v2 before 1.0.3.96, RAX40v2 before 1.0.3.96, RAX43 before 1.0.3.96, RAX45 before 1.0.3.96, RAX50 before 1.0.3.96, RAX75 before 1.0.4.120, RAX80 before 1.0.4.120, RBK752 before 3.2.17.12, RBK852 before 3.2.17.12, RBR750 before 3.2.17.12, RBR850 before 3.2.17.12, RBS750 before 3.2.17.12, RBS850 before 3.2.17.12, RS400 before 1.5.1.80, XR1000 before 1.0.0.58, and XR300 before 1.0.3.68.

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

Affected SoftwareAffected VersionHow to fix
NETGEAR CBR40 firmware<2.5.0.24
Netgear CBR40
NETGEAR CBR750<4.6.3.6
NETGEAR CBR750
NETGEAR EAX20<1.0.0.58
NETGEAR EAX20 Firmware
NETGEAR EAX80 firmware<1.0.1.68
NETGEAR EAX80 firmware
NETGEAR LAX20 firmware<1.1.6.28
NETGEAR LAX20
NETGEAR MR60 firmware<1.0.6.116
NETGEAR MR60 firmware
NETGEAR MS60<1.0.6.116
NETGEAR MS60 firmware
NETGEAR R6400v2 firmware<1.0.4.118
NETGEAR R6400v2 firmware
Netgear R6700 Firmware<1.0.4.118
NETGEAR R6700v3 firmware
NETGEAR R6900P firmware<1.3.3.140
Netgear R6900 Firmware
NETGEAR R7000 firmware<1.0.11.126
NETGEAR R7000 firmware
NETGEAR R7000P firmware<1.3.3.140
Netgear R7000P
NETGEAR R7850<1.0.5.74
NETGEAR R7850 firmware
NETGEAR R7900P firmware<1.0.4.46
NETGEAR R7900P firmware
NETGEAR R7900P firmware<1.4.2.84
NETGEAR R7900P firmware
NETGEAR R7960P firmware<1.4.2.84
NETGEAR R7960P firmware
NETGEAR R8000 firmware<1.0.4.74
NETGEAR R8000 firmware
NETGEAR R8000P<1.4.2.84
NETGEAR R8000P firmware
NETGEAR RAX15 firmware<1.0.3.96
NETGEAR RAX15 firmware
NETGEAR RAX20 firmware<1.0.3.96
NETGEAR RAX20 firmware
NETGEAR RAX200 firmware<1.0.4.120
NETGEAR RAX200 firmware
NETGEAR RAX35v2 firmware<1.0.3.96
NETGEAR RAX35v2 firmware
NETGEAR RAX40v2 firmware<1.0.3.96
NETGEAR RAX40v2 firmware
NETGEAR RAX43 firmware<1.0.3.96
Netgear RAX43
NETGEAR RAX45 Firmware<1.0.3.96
NETGEAR RAX45 firmware
NETGEAR RAX50<1.0.3.96
NETGEAR RAX50
NETGEAR RAX75 firmware<1.0.4.120
NETGEAR RAX75 firmware
NETGEAR RAX80 firmware<1.0.4.120
NETGEAR RAX80 firmware
NETGEAR RBK752 firmware<3.2.17.12
NETGEAR RBK752 firmware
NETGEAR RBK852<3.2.17.12
NETGEAR RBK852
NETGEAR RBR750<3.2.17.12
NETGEAR RBR750 firmware
NETGEAR RBR850 firmware<3.2.17.12
NETGEAR RBR850 firmware
NETGEAR RBS750<3.2.17.12
NETGEAR RBS750
NETGEAR RBS850<3.2.17.12
NETGEAR RBS850 firmware
NETGEAR RS400 firmware<1.5.1.80
NETGEAR RS400 firmware
NETGEAR XR1000 firmware<1.0.0.58
NETGEAR XR1000 firmware
NETGEAR XR300 firmware<1.0.3.68
Netgear XR300
NETGEAR R6400 firmware<1.0.1.70
NETGEAR R6400 firmware
NETGEAR MK62<1.0.6.116
NETGEAR MK62 firmware
NETGEAR MR80<1.1.2.20
NETGEAR MR80 Firmware
NETGEAR ms80<1.1.2.20
NETGEAR MS80 Firmware
NETGEAR MK83 firmware<1.1.2.20
NETGEAR MK83 firmware
All of
NETGEAR CBR40 firmware<2.5.0.24
Netgear CBR40
All of
NETGEAR CBR750<4.6.3.6
NETGEAR CBR750
All of
NETGEAR EAX20<1.0.0.58
NETGEAR EAX20 Firmware
All of
NETGEAR EAX80 firmware<1.0.1.68
NETGEAR EAX80 firmware
All of
NETGEAR LAX20 firmware<1.1.6.28
NETGEAR LAX20
All of
NETGEAR MR60 firmware<1.0.6.116
NETGEAR MR60 firmware
All of
NETGEAR MS60<1.0.6.116
NETGEAR MS60 firmware
All of
NETGEAR R6400v2 firmware<1.0.4.118
NETGEAR R6400v2 firmware
All of
Netgear R6700 Firmware<1.0.4.118
NETGEAR R6700v3 firmware
All of
NETGEAR R6900P firmware<1.3.3.140
Netgear R6900 Firmware
All of
NETGEAR R7000 firmware<1.0.11.126
NETGEAR R7000 firmware
All of
NETGEAR R7000P firmware<1.3.3.140
Netgear R7000P
All of
NETGEAR R7850<1.0.5.74
NETGEAR R7850 firmware
All of
NETGEAR R7900P firmware<1.0.4.46
NETGEAR R7900P firmware
All of
NETGEAR R7900P firmware<1.4.2.84
NETGEAR R7900P firmware
All of
NETGEAR R7960P firmware<1.4.2.84
NETGEAR R7960P firmware
All of
NETGEAR R8000 firmware<1.0.4.74
NETGEAR R8000 firmware
All of
NETGEAR R8000P<1.4.2.84
NETGEAR R8000P firmware
All of
NETGEAR RAX15 firmware<1.0.3.96
NETGEAR RAX15 firmware
All of
NETGEAR RAX20 firmware<1.0.3.96
NETGEAR RAX20 firmware
All of
NETGEAR RAX200 firmware<1.0.4.120
NETGEAR RAX200 firmware
All of
NETGEAR RAX35v2 firmware<1.0.3.96
NETGEAR RAX35v2 firmware
All of
NETGEAR RAX40v2 firmware<1.0.3.96
NETGEAR RAX40v2 firmware
All of
NETGEAR RAX43 firmware<1.0.3.96
Netgear RAX43
All of
NETGEAR RAX45 Firmware<1.0.3.96
NETGEAR RAX45 firmware
All of
NETGEAR RAX50<1.0.3.96
NETGEAR RAX50
All of
NETGEAR RAX75 firmware<1.0.4.120
NETGEAR RAX75 firmware
All of
NETGEAR RAX80 firmware<1.0.4.120
NETGEAR RAX80 firmware
All of
NETGEAR RBK752 firmware<3.2.17.12
NETGEAR RBK752 firmware
All of
NETGEAR RBK852<3.2.17.12
NETGEAR RBK852
All of
NETGEAR RBR750<3.2.17.12
NETGEAR RBR750 firmware
All of
NETGEAR RBR850 firmware<3.2.17.12
NETGEAR RBR850 firmware
All of
NETGEAR RBS750<3.2.17.12
NETGEAR RBS750
All of
NETGEAR RBS850<3.2.17.12
NETGEAR RBS850 firmware
All of
NETGEAR RS400 firmware<1.5.1.80
NETGEAR RS400 firmware
All of
NETGEAR XR1000 firmware<1.0.0.58
NETGEAR XR1000 firmware
All of
NETGEAR XR300 firmware<1.0.3.68
Netgear XR300
All of
NETGEAR R6400 firmware<1.0.1.70
NETGEAR R6400 firmware
All of
NETGEAR MK62<1.0.6.116
NETGEAR MK62 firmware
All of
NETGEAR MR80<1.1.2.20
NETGEAR MR80 Firmware
All of
NETGEAR ms80<1.1.2.20
NETGEAR MS80 Firmware
All of
NETGEAR MK83 firmware<1.1.2.20
NETGEAR MK83 firmware

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2021-45620?

    The severity of CVE-2021-45620 is considered high due to the ability of unauthenticated attackers to perform command injection on affected NETGEAR devices.

  • How do I fix CVE-2021-45620?

    To fix CVE-2021-45620, it is recommended to upgrade the firmware of the affected NETGEAR devices to the latest available version.

  • Which NETGEAR devices are affected by CVE-2021-45620?

    CVE-2021-45620 affects various NETGEAR devices including CBR40, CBR750, EAX20, EAX80, LAX20, MR60, and others.

  • Can CVE-2021-45620 be exploited remotely?

    Yes, CVE-2021-45620 can be exploited remotely by an unauthenticated attacker due to the nature of command injection.

  • What versions of firmware are vulnerable to CVE-2021-45620?

    Firmware versions prior to 2.5.0.24 for CBR40, 4.6.3.6 for CBR750, and various earlier versions for other affected devices are vulnerable to CVE-2021-45620.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203