critical
10
CWE
77
Advisory Published
Updated

CVE-2021-45618: Command Injection

First published: Sun Dec 26 2021(Updated: )

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects D7800 before 1.0.1.64, EX6200v2 before 1.0.1.86, EX6250 before 1.0.0.134, EX7700 before 1.0.0.216, EX8000 before 1.0.1.232, LBR20 before 2.6.3.50, R7800 before 1.0.2.80, R8900 before 1.0.5.26, R9000 before 1.0.5.26, RAX120 before 1.2.0.16, RBS50Y before 1.0.0.56, WNR2000v5 before 1.0.0.76, XR450 before 2.3.2.114, XR500 before 2.3.2.114, XR700 before 1.0.1.36, EX6150v2 before 1.0.1.98, EX7300 before 1.0.2.158, EX7320 before 1.0.0.134, EX6100v2 before 1.0.1.98, EX6400 before 1.0.2.158, EX7300v2 before 1.0.0.134, EX6410 before 1.0.0.134, RBR10 before 2.6.1.44, RBR20 before 2.6.2.104, RBR40 before 2.6.2.104, RBR50 before 2.7.2.102, EX6420 before 1.0.0.134, RBS10 before 2.6.1.44, RBS20 before 2.6.2.104, RBS40 before 2.6.2.104, RBS50 before 2.7.2.102, EX6400v2 before 1.0.0.134, RBK12 before 2.6.1.44, RBK20 before 2.6.2.104, RBK40 before 2.6.2.104, and RBK50 before 2.7.2.102.

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

Affected SoftwareAffected VersionHow to fix
All of
NETGEAR D7800<1.0.1.64
NETGEAR D7800 Firmware
All of
NETGEAR EX6200v2 firmware<1.0.1.86
NETGEAR EX6200v2 firmware
All of
NETGEAR EX6250<1.0.0.134
NETGEAR EX6250
All of
NETGEAR EX7700<1.0.0.216
NETGEAR EX7700
All of
NETGEAR EX8000<1.0.1.232
NETGEAR EX8000
All of
NETGEAR LBR20 firmware<2.6.3.50
NETGEAR LBR20 firmware
All of
NETGEAR R7800 firmware<1.0.2.80
NETGEAR R7800
All of
NETGEAR R8900 firmware<1.0.5.26
NETGEAR R8900
All of
NETGEAR R9000 firmware<1.0.5.26
NETGEAR R9000 firmware
All of
NETGEAR RAX120 firmware<1.2.0.16
NETGEAR RAX120 firmware
All of
NETGEAR RBS50Y firmware<1.0.0.56
NETGEAR RBS50Y firmware
All of
NETGEAR WNR2000v5 firmware<1.0.0.76
NETGEAR WNR2000v5 firmware
All of
NETGEAR XR450 firmware<2.3.2.114
NETGEAR XR450 firmware
All of
NETGEAR XR500 firmware<2.3.2.114
NETGEAR XR500 firmware
All of
NETGEAR XR700<1.0.1.36
NETGEAR XR700 firmware
All of
NETGEAR EX6150v2 firmware<1.0.1.98
NETGEAR EX6150v2 firmware
All of
NETGEAR EX7300<1.0.2.158
NETGEAR EX7300v2
All of
NETGEAR EX7320<1.0.0.134
NETGEAR EX7320
All of
NETGEAR EX6100v2 firmware<1.0.1.98
NETGEAR EX6100v2 firmware
All of
NETGEAR EX6400 firmware<1.0.2.158
NETGEAR EX6400v2
All of
NETGEAR EX7300v2 firmware<1.0.0.134
NETGEAR EX7300v2 firmware
All of
NETGEAR EX6410<1.0.0.134
NETGEAR EX6410
All of
NETGEAR RBR10 firmware<2.6.1.44
NETGEAR RBR10 firmware
All of
NETGEAR RBR20<2.6.2.104
NETGEAR RBR20
All of
NETGEAR CBR40 firmware<2.6.2.104
NETGEAR RBR40 firmware
All of
NETGEAR RBR50 firmware<2.7.2.102
NETGEAR RBR50 firmware
All of
NETGEAR EX6420<1.0.0.134
NETGEAR EX6420
All of
NETGEAR RBS10<2.6.1.44
NETGEAR RBS10 firmware
All of
NETGEAR RBS20 firmware<2.6.2.104
NETGEAR RBS20 firmware
All of
NETGEAR RBS40 firmware<2.6.2.104
NETGEAR RBS40 firmware
All of
NETGEAR RBS50 firmware<2.7.2.102
NETGEAR RBS50
All of
NETGEAR EX6400v2 firmware<1.0.0.134
NETGEAR EX6400v2 firmware
All of
NETGEAR RBK12 firmware<2.6.1.44
NETGEAR RBK12 firmware
All of
NETGEAR RBK20 Router Firmware<2.6.2.104
NETGEAR RBK20 firmware
All of
NETGEAR RBK40<2.6.2.104
NETGEAR RBK40 firmware
All of
NETGEAR RBK50 firmware<2.7.2.102
NETGEAR RBK50
NETGEAR D7800<1.0.1.64
NETGEAR D7800 Firmware
NETGEAR EX6200v2 firmware<1.0.1.86
NETGEAR EX6200v2 firmware
NETGEAR EX6250<1.0.0.134
NETGEAR EX6250
NETGEAR EX7700<1.0.0.216
NETGEAR EX7700
NETGEAR EX8000<1.0.1.232
NETGEAR EX8000
NETGEAR LBR20 firmware<2.6.3.50
NETGEAR LBR20 firmware
NETGEAR R7800 firmware<1.0.2.80
NETGEAR R7800
NETGEAR R8900 firmware<1.0.5.26
NETGEAR R8900
NETGEAR R9000 firmware<1.0.5.26
NETGEAR R9000 firmware
NETGEAR RAX120 firmware<1.2.0.16
NETGEAR RAX120 firmware
NETGEAR RBS50Y firmware<1.0.0.56
NETGEAR RBS50Y firmware
NETGEAR WNR2000v5 firmware<1.0.0.76
NETGEAR WNR2000v5 firmware
NETGEAR XR450 firmware<2.3.2.114
NETGEAR XR450 firmware
NETGEAR XR500 firmware<2.3.2.114
NETGEAR XR500 firmware
NETGEAR XR700<1.0.1.36
NETGEAR XR700 firmware
NETGEAR EX6150v2 firmware<1.0.1.98
NETGEAR EX6150v2 firmware
NETGEAR EX7300<1.0.2.158
NETGEAR EX7300v2
NETGEAR EX7320<1.0.0.134
NETGEAR EX7320
NETGEAR EX6100v2 firmware<1.0.1.98
NETGEAR EX6100v2 firmware
NETGEAR EX6400 firmware<1.0.2.158
NETGEAR EX6400v2
NETGEAR EX7300v2 firmware<1.0.0.134
NETGEAR EX7300v2 firmware
NETGEAR EX6410<1.0.0.134
NETGEAR EX6410
NETGEAR RBR10 firmware<2.6.1.44
NETGEAR RBR10 firmware
NETGEAR RBR20<2.6.2.104
NETGEAR RBR20
NETGEAR CBR40 firmware<2.6.2.104
NETGEAR RBR40 firmware
NETGEAR RBR50 firmware<2.7.2.102
NETGEAR RBR50 firmware
NETGEAR EX6420<1.0.0.134
NETGEAR EX6420
NETGEAR RBS10<2.6.1.44
NETGEAR RBS10 firmware
NETGEAR RBS20 firmware<2.6.2.104
NETGEAR RBS20 firmware
NETGEAR RBS40 firmware<2.6.2.104
NETGEAR RBS40 firmware
NETGEAR RBS50 firmware<2.7.2.102
NETGEAR RBS50
NETGEAR EX6400v2 firmware<1.0.0.134
NETGEAR EX6400v2 firmware
NETGEAR RBK12 firmware<2.6.1.44
NETGEAR RBK12 firmware
NETGEAR RBK20 Router Firmware<2.6.2.104
NETGEAR RBK20 firmware
NETGEAR RBK40<2.6.2.104
NETGEAR RBK40 firmware
NETGEAR RBK50 firmware<2.7.2.102
NETGEAR RBK50

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-2021-45618?

    CVE-2021-45618 is classified as a critical vulnerability due to its potential for command injection by unauthenticated attackers.

  • How do I fix CVE-2021-45618?

    To mitigate CVE-2021-45618, update your NETGEAR devices to the latest firmware version provided by the manufacturer.

  • Which NETGEAR devices are affected by CVE-2021-45618?

    CVE-2021-45618 affects several NETGEAR devices including models such as D7800, EX6200v2, EX6250, and others, prior to their respective patched firmware versions.

  • What types of attacks can CVE-2021-45618 enable?

    CVE-2021-45618 can enable attackers to execute arbitrary commands on vulnerable NETGEAR devices, potentially leading to full system compromise.

  • Is there a reported exploit for CVE-2021-45618?

    As of now, there are no publicly known exploits specifically for CVE-2021-45618, but the vulnerability remains a significant risk until devices are updated.

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