critical
10
CWE
77
Advisory Published
Updated

CVE-2021-38527: Command Injection

First published: Wed Aug 11 2021(Updated: )

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects CBR40 before 2.5.0.14, EX6100v2 before 1.0.1.98, EX6150v2 before 1.0.1.98, EX6250 before 1.0.0.132, EX6400 before 1.0.2.158, EX6400v2 before 1.0.0.132, EX6410 before 1.0.0.132, EX6420 before 1.0.0.132, EX7300 before 1.0.2.158, EX7300v2 before 1.0.0.132, EX7320 before 1.0.0.132, EX7700 before 1.0.0.216, EX8000 before 1.0.1.232, R7800 before 1.0.2.78, RBK12 before 2.6.1.44, RBR10 before 2.6.1.44, RBS10 before 2.6.1.44, RBK20 before 2.6.1.38, RBR20 before 2.6.1.36, RBS20 before 2.6.1.38, RBK40 before 2.6.1.38, 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, 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, RBS40V before 2.6.2.4, RBS50Y before 2.6.1.40, RBW30 before 2.6.2.2, and XR500 before 2.3.2.114.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
NETGEAR CBR40 firmware<2.5.0.14
Netgear CBR40
NETGEAR EX6100 firmware<1.0.1.98
Netgear EX6100=v2
NETGEAR EX6150<1.0.1.98
NETGEAR EX6150v2=v2
NETGEAR EX6250<1.0.0.132
NETGEAR EX6250
NETGEAR EX6400 firmware<1.0.2.158
NETGEAR EX6400v2
NETGEAR EX6400 firmware<1.0.0.132
NETGEAR EX6400v2=v2
NETGEAR EX6410<1.0.0.132
NETGEAR EX6410
NETGEAR EX6420<1.0.0.132
NETGEAR EX6420
NETGEAR EX7300<1.0.2.158
NETGEAR EX7300v2
NETGEAR EX7300v2=v2
NETGEAR EX7320<1.0.0.132
NETGEAR EX7320
NETGEAR EX7700<1.0.0.216
NETGEAR EX7700
NETGEAR EX8000<1.0.1.232
NETGEAR EX8000
NETGEAR R7800 firmware<1.0.2.78
NETGEAR R7800
NETGEAR RBK12 firmware<2.6.1.44
NETGEAR RBK12 firmware
NETGEAR RBR10 firmware<2.6.1.44
NETGEAR RBR10 firmware
NETGEAR RBS10<2.6.1.44
NETGEAR RBS10 firmware
NETGEAR RBK20 Router Firmware<2.6.1.38
NETGEAR RBK20 firmware
NETGEAR RBR20<2.6.1.36
NETGEAR RBR20
NETGEAR RBS20 firmware<2.6.1.38
NETGEAR RBS20 firmware
NETGEAR RBK40<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 RBK50
NETGEAR RBR50 firmware<2.6.1.40
NETGEAR RBR50 firmware
NETGEAR RBS50 firmware<2.6.1.40
NETGEAR RBS50
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 RBS40V<2.6.2.4
NETGEAR RBS40V-200
NETGEAR RBS50Y firmware<2.6.1.40
NETGEAR RBS50Y firmware
NETGEAR RBW30 firmware<2.6.2.2
NETGEAR RBW30 firmware
NETGEAR XR500 firmware<2.3.2.114
NETGEAR XR500 firmware

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2021-38527?

    CVE-2021-38527 is classified as a high-severity vulnerability due to the potential for command injection by unauthenticated attackers.

  • How do I fix CVE-2021-38527?

    To mitigate CVE-2021-38527, update your affected NETGEAR devices to the latest firmware versions provided in the advisory.

  • Which NETGEAR devices are affected by CVE-2021-38527?

    CVE-2021-38527 affects several NETGEAR devices, including the CBR40, EX6100v2, EX6150v2, and others listed in the vulnerability details.

  • Is there a proof of concept for CVE-2021-38527?

    Currently, there is no publicly available proof of concept for CVE-2021-38527.

  • What type of attack can exploit CVE-2021-38527?

    CVE-2021-38527 allows an unauthenticated attacker to perform command injection, potentially compromising the affected device.

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