critical
9.8
CWE
74
Advisory Published
Updated

CVE-2021-45658

First published: Sun Dec 26 2021(Updated: )

Certain NETGEAR devices are affected by server-side injection. This affects D7800 before 1.0.1.58, DM200 before 1.0.0.66, EX2700 before 1.0.1.56, EX6150v2 before 1.0.1.86, EX6100v2 before 1.0.1.86, EX6200v2 before 1.0.1.78, EX6250 before 1.0.0.110, EX6410 before 1.0.0.110, EX6420 before 1.0.0.110, EX6400v2 before 1.0.0.110, EX7300 before 1.0.2.144, EX6400 before 1.0.2.144, EX7320 before 1.0.0.110, EX7300v2 before 1.0.0.110, R7500v2 before 1.0.3.48, R7800 before 1.0.2.68, R8900 before 1.0.5.2, R9000 before 1.0.5.2, RAX120 before 1.0.1.90, RBK40 before 2.5.1.16, RBK20 before 2.5.1.16, RBR20 before 2.5.1.16, RBS20 before 2.5.1.16, RBK50 before 2.5.1.16, RBR50 before 2.5.1.16, RBS50 before 2.5.1.16, RBS50Y before 2.6.1.40, WN3000RPv2 before 1.0.0.78, WN3000RPv3 before 1.0.2.80, WNR2000v5 before 1.0.0.72, XR500 before 2.3.2.56, and XR700 before 1.0.1.20.

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

Affected SoftwareAffected VersionHow to fix
All of
NETGEAR D7800<1.0.1.58
NETGEAR D7800 Firmware
All of
NETGEAR DM200<1.0.0.66
NETGEAR DM200 firmware
All of
NETGEAR EX2700 firmware<1.0.1.56
NETGEAR EX2700 firmware
All of
NETGEAR EX6150v2 firmware<1.0.1.86
NETGEAR EX6150v2 firmware
All of
NETGEAR EX6100v2 firmware<1.0.1.86
NETGEAR EX6100v2 firmware
All of
NETGEAR EX6200v2 firmware<1.0.1.78
NETGEAR EX6200v2 firmware
All of
NETGEAR EX6250<1.0.0.110
NETGEAR EX6250
All of
NETGEAR EX6410<1.0.0.110
NETGEAR EX6410
All of
NETGEAR EX6420<1.0.0.110
NETGEAR EX6420
All of
NETGEAR EX6400v2 firmware<1.0.0.110
NETGEAR EX6400v2 firmware
All of
NETGEAR EX7300<1.0.2.144
NETGEAR EX7300v2
All of
NETGEAR EX6400 firmware<1.0.2.144
NETGEAR EX6400v2
All of
NETGEAR EX7320<1.0.0.110
NETGEAR EX7320
All of
NETGEAR EX7300v2 firmware<1.0.0.110
NETGEAR EX7300v2 firmware
All of
NETGEAR R7500v2 firmware<1.0.3.48
NETGEAR Nighthawk R7500
All of
NETGEAR R7800 firmware<1.0.2.68
NETGEAR R7800
All of
NETGEAR R8900 firmware<1.0.5.2
NETGEAR R8900
All of
NETGEAR R9000 firmware<1.0.5.2
NETGEAR R9000 firmware
All of
NETGEAR RAX120 firmware<1.0.1.90
NETGEAR RAX120 firmware
All of
NETGEAR RBK40<2.5.1.16
NETGEAR RBK40 firmware
All of
NETGEAR RBK20 Router Firmware<2.5.1.16
NETGEAR RBK20 firmware
All of
NETGEAR RBR20<2.5.1.16
NETGEAR RBR20
All of
NETGEAR RBS20 firmware<2.5.1.16
NETGEAR RBS20 firmware
All of
NETGEAR RBK50 firmware<2.5.1.16
NETGEAR RBK50
All of
NETGEAR RBR50 firmware<2.5.1.16
NETGEAR RBR50 firmware
All of
NETGEAR RBS50 firmware<2.5.1.16
NETGEAR RBS50
All of
NETGEAR RBS50Y firmware<2.6.1.40
NETGEAR RBS50Y firmware
All of
NETGEAR WN3000RPv2 firmware<1.0.0.78
NETGEAR WN3000RPv2 firmware
All of
NETGEAR WN3000RPv3 firmware<1.0.2.80
NETGEAR WN3000RPv3
All of
NETGEAR WNR2000v5 firmware<1.0.0.72
NETGEAR WNR2000v5 firmware
All of
NETGEAR XR500 firmware<2.3.2.56
NETGEAR XR500 firmware
All of
NETGEAR XR700<1.0.1.20
NETGEAR XR700 firmware
NETGEAR D7800<1.0.1.58
NETGEAR D7800 Firmware
NETGEAR DM200<1.0.0.66
NETGEAR DM200 firmware
NETGEAR EX2700 firmware<1.0.1.56
NETGEAR EX2700 firmware
NETGEAR EX6150v2 firmware<1.0.1.86
NETGEAR EX6150v2 firmware
NETGEAR EX6100v2 firmware<1.0.1.86
NETGEAR EX6100v2 firmware
NETGEAR EX6200v2 firmware<1.0.1.78
NETGEAR EX6200v2 firmware
NETGEAR EX6250<1.0.0.110
NETGEAR EX6250
NETGEAR EX6410<1.0.0.110
NETGEAR EX6410
NETGEAR EX6420<1.0.0.110
NETGEAR EX6420
NETGEAR EX6400v2 firmware<1.0.0.110
NETGEAR EX6400v2 firmware
NETGEAR EX7300<1.0.2.144
NETGEAR EX7300v2
NETGEAR EX6400 firmware<1.0.2.144
NETGEAR EX6400v2
NETGEAR EX7320<1.0.0.110
NETGEAR EX7320
NETGEAR EX7300v2 firmware<1.0.0.110
NETGEAR EX7300v2 firmware
NETGEAR R7500v2 firmware<1.0.3.48
NETGEAR Nighthawk R7500
NETGEAR R7800 firmware<1.0.2.68
NETGEAR R7800
NETGEAR R8900 firmware<1.0.5.2
NETGEAR R8900
NETGEAR R9000 firmware<1.0.5.2
NETGEAR R9000 firmware
NETGEAR RAX120 firmware<1.0.1.90
NETGEAR RAX120 firmware
NETGEAR RBK40<2.5.1.16
NETGEAR RBK40 firmware
NETGEAR RBK20 Router Firmware<2.5.1.16
NETGEAR RBK20 firmware
NETGEAR RBR20<2.5.1.16
NETGEAR RBR20
NETGEAR RBS20 firmware<2.5.1.16
NETGEAR RBS20 firmware
NETGEAR RBK50 firmware<2.5.1.16
NETGEAR RBK50
NETGEAR RBR50 firmware<2.5.1.16
NETGEAR RBR50 firmware
NETGEAR RBS50 firmware<2.5.1.16
NETGEAR RBS50
NETGEAR RBS50Y firmware<2.6.1.40
NETGEAR RBS50Y firmware
NETGEAR WN3000RPv2 firmware<1.0.0.78
NETGEAR WN3000RPv2 firmware
NETGEAR WN3000RPv3 firmware<1.0.2.80
NETGEAR WN3000RPv3
NETGEAR WNR2000v5 firmware<1.0.0.72
NETGEAR WNR2000v5 firmware
NETGEAR XR500 firmware<2.3.2.56
NETGEAR XR500 firmware
NETGEAR XR700<1.0.1.20
NETGEAR XR700 firmware

Remedy

https://kb.netgear.com/000064062/Security-Advisory-for-Server-Side-Injection-on-Some-Routers-Extenders-and-WiFi-Systems-PSV-2019-0125

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2021-45658?

    CVE-2021-45658 is classified as a high severity vulnerability due to the potential for server-side injection attacks affecting multiple NETGEAR devices.

  • Which NETGEAR devices are affected by CVE-2021-45658?

    CVE-2021-45658 impacts several NETGEAR devices, including models such as D7800, DM200, and various EX series extenders when running firmware versions prior to specified thresholds.

  • How do I fix CVE-2021-45658?

    To mitigate CVE-2021-45658, users should update their affected NETGEAR devices to the latest firmware versions as recommended by the manufacturer.

  • What are the potential consequences of CVE-2021-45658?

    Exploitation of CVE-2021-45658 could allow an attacker to execute arbitrary code or commands on the affected devices, leading to unauthorized access or control.

  • Is there a workaround for CVE-2021-45658 if I can't update my device immediately?

    While immediate updates are recommended, temporarily disabling remote management features may help mitigate the risks associated with CVE-2021-45658.

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