critical
10
Advisory Published
Updated

CVE-2021-38516

First published: Wed Aug 11 2021(Updated: )

Certain NETGEAR devices are affected by lack of access control at the function level. This affects D6220 before 1.0.0.48, D6400 before 1.0.0.82, D7000v2 before 1.0.0.52, D7800 before 1.0.1.44, D8500 before 1.0.3.43, DC112A before 1.0.0.40, DGN2200v4 before 1.0.0.108, RBK50 before 2.3.0.32, RBR50 before 2.3.0.32, RBS50 before 2.3.0.32, RBK20 before 2.3.0.28, RBR20 before 2.3.0.28, RBS20 before 2.3.0.28, RBK40 before 2.3.0.28, RBR40 before 2.3.0.28, RBS40 before 2.3.0.28, R6020 before 1.0.0.34, R6080 before 1.0.0.34, R6120 before 1.0.0.44, R6220 before 1.1.0.80, R6230 before 1.1.0.80, R6250 before 1.0.4.34, R6260 before 1.1.0.40, R6850 before 1.1.0.40, R6350 before 1.1.0.40, R6400v2 before 1.0.2.62, R6700v3 before 1.0.2.62, R6700v2 before 1.2.0.36, R6800 before 1.2.0.36, R6900v2 before 1.2.0.36, R7000 before 1.0.9.34, R6900P before 1.3.1.44, R7000P before 1.3.1.44, R7100LG before 1.0.0.48, R7200 before 1.2.0.48, R7350 before 1.2.0.48, R7400 before 1.2.0.48, R7450 before 1.2.0.36, AC2100 before 1.2.0.36, AC2400 before 1.2.0.36, AC2600 before 1.2.0.36, R7500v2 before 1.0.3.38, R7800 before 1.0.2.58, R7900 before 1.0.3.8, R7960P before 1.4.1.44, R8000 before 1.0.4.28, R7900P before 1.4.1.30, R8000P before 1.4.1.30, R8900 before 1.0.4.2, R9000 before 1.0.4.2, RAX120 before 1.0.0.74, RBK752 before 3.2.16.6, RBR750 before 3.2.16.6, RBS750 before 3.2.16.6, RBK852 before 3.2.16.6, RBR850 before 3.2.16.6, RBS850 before 3.2.16.6, WNR3500Lv2 before 1.2.0.56, XR450 before 2.3.2.32, and XR500 before 2.3.2.32.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Netgear D6220 Firmware<1.0.0.48
NETGEAR D6220 firmware
NETGEAR D6400<1.0.0.82
NETGEAR D6400 firmware
NETGEAR D7000v1 firmware<1.0.0.52
NETGEAR D7000 firmware=v2
NETGEAR D7800<1.0.1.44
NETGEAR D7800 Firmware
Netgear D8500 Firmware<1.0.3.43
Netgear D8500 Firmware
NETGEAR DC112A firmware<1.0.0.40
Netgear DC112A
NETGEAR DGN2200B firmware<1.0.0.108
NETGEAR DGN2200M=v4
NETGEAR RBK50 firmware<2.3.0.32
NETGEAR RBK50
NETGEAR RBR50 firmware<2.3.0.32
NETGEAR RBR50 firmware
NETGEAR RBS50 firmware<2.3.0.32
NETGEAR RBS50
NETGEAR RBK20 Router Firmware<2.3.0.28
NETGEAR RBK20 firmware
NETGEAR RBR20<2.3.0.28
NETGEAR RBR20
NETGEAR RBS20 firmware<2.3.0.28
NETGEAR RBS20 firmware
NETGEAR RBK40<2.3.0.28
NETGEAR RBK40 firmware
NETGEAR CBR40 firmware<2.3.0.28
NETGEAR RBR40 firmware
NETGEAR RBS40 firmware<2.3.0.28
NETGEAR RBS40 firmware
NETGEAR R6020 firmware<1.0.0.34
NETGEAR R6020 firmware
NETGEAR R6080 firmware<1.0.0.34
NETGEAR R6080 firmware
NETGEAR R6120 firmware<1.0.0.44
NETGEAR R6120 firmware
NETGEAR R6220 firmware<1.1.0.80
NETGEAR R6220 firmware
NETGEAR R6230 firmware<1.1.0.80
NETGEAR R6230 firmware
netgear R6250 Firmware<1.0.4.34
NETGEAR R6250
NETGEAR R6260 firmware<1.1.0.40
NETGEAR R6260 firmware
NETGEAR R6850 firmware<1.1.0.40
Netgear R6850
NETGEAR R6350 firmware<1.1.0.40
NETGEAR R6350 firmware
NETGEAR R6400 firmware<1.0.2.62
NETGEAR R6400 firmware=v2
Netgear R6700 Firmware<1.0.2.62
NETGEAR R6700v1 firmware=v3
Netgear R6700 Firmware<1.2.0.36
NETGEAR R6700v1 firmware=v2
NETGEAR R6800 firmware<1.2.0.36
NETGEAR R6800 firmware
Netgear R6900 Firmware<1.2.0.36
Netgear R6900 Firmware=v2
NETGEAR R7000 firmware<1.0.9.34
NETGEAR R7000 firmware
NETGEAR R6900P firmware<1.3.1.44
Netgear R6900 Firmware
NETGEAR R7000P firmware<1.3.1.44
Netgear R7000P
NETGEAR R7100LG firmware<1.0.0.48
Netgear R7100LG
NETGEAR R7200 firmware<1.2.0.48
NETGEAR R7200 firmware
NETGEAR R7350 firmware<1.2.0.48
NETGEAR R7350 firmware
NETGEAR R7400 firmware<1.2.0.48
NETGEAR R7400 firmware
NETGEAR R7450 firmware<1.2.0.36
NETGEAR R7450 firmware
NETGEAR AC2100<1.2.0.36
NETGEAR AC2100 firmware
NETGEAR AC2400 firmware<1.2.0.36
NETGEAR AC2400 firmware
NETGEAR AC2600 firmware<1.2.0.36
NETGEAR AC2600
NETGEAR R7500v2 firmware<1.0.3.38
NETGEAR R7500v2 firmware=v2
NETGEAR R7800 firmware<1.0.2.58
NETGEAR R7800
NETGEAR R7900P firmware<1.0.3.8
NETGEAR R7900P firmware
NETGEAR R7960P firmware<1.4.1.44
NETGEAR R7960P firmware
NETGEAR R8000 firmware<1.0.4.28
NETGEAR R8000 firmware
NETGEAR R7900P firmware<1.4.1.30
NETGEAR R7900P firmware
NETGEAR R8000P<1.4.1.30
NETGEAR R8000P firmware
NETGEAR R8900 firmware<1.0.4.2
NETGEAR R8900
NETGEAR R9000 firmware<1.0.4.2
NETGEAR R9000 firmware
NETGEAR RAX120 firmware<1.0.0.74
NETGEAR RAX120 firmware
NETGEAR RBK752 firmware<3.2.16.6
NETGEAR RBK752 firmware
NETGEAR RBR750<3.2.16.6
NETGEAR RBR750 firmware
NETGEAR RBS750<3.2.16.6
NETGEAR RBS750
NETGEAR RBK852<3.2.16.6
NETGEAR RBK852
NETGEAR RBR850 firmware<3.2.16.6
NETGEAR RBR850 firmware
NETGEAR RBS850<3.2.16.6
NETGEAR RBS850 firmware
NETGEAR WNR3500L<1.2.0.56
NETGEAR WNR3500L firmware=v2
NETGEAR XR450 firmware<2.3.2.32
NETGEAR XR450 firmware
NETGEAR XR500 firmware<2.3.2.32
NETGEAR XR500 firmware

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2021-38516?

    CVE-2021-38516 has a medium severity level due to the lack of access control at the function level in certain NETGEAR devices.

  • How do I fix CVE-2021-38516?

    To fix CVE-2021-38516, update your NETGEAR device firmware to the latest version provided by the manufacturer.

  • Which NETGEAR devices are affected by CVE-2021-38516?

    Affected NETGEAR devices include D6220, D6400, D7000v2, D7800, D8500, DC112A, DGN2200v4, RBK50, and RBR50 among others.

  • What versions of NETGEAR firmware are vulnerable to CVE-2021-38516?

    NETGEAR firmware versions prior to specific versions, such as D6220 before 1.0.0.48, are vulnerable to CVE-2021-38516.

  • Is CVE-2021-38516 remotely exploitable?

    Yes, CVE-2021-38516 can potentially be exploited remotely due to the lack of proper access control.

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