What is the severity of CVE-2018-21112?

CVE-2018-21112 is considered a high-severity vulnerability due to its command injection nature which can be exploited by authenticated users.

How do I fix CVE-2018-21112?

To fix CVE-2018-21112, upgrade your NETGEAR device to the latest firmware version as specified for each affected model.

Which NETGEAR devices are affected by CVE-2018-21112?

CVE-2018-21112 affects NETGEAR D7800, R7500v2, R7800, R8900, and R9000 models before their respective firmware versions.

Can CVE-2018-21112 be exploited remotely?

No, CVE-2018-21112 requires authenticated access to be exploited, making it less of a risk from external threats.

What type of vulnerability is CVE-2018-21112?

CVE-2018-21112 is a command injection vulnerability that allows authenticated users to execute arbitrary commands on affected devices.

Vulnerability/
CVE-2018-21112

medium

6.8

CWE

74 77

22/4/2020

5/8/2024

CVE-2018-21112: Command Injection

First published: Wed Apr 22 2020(Updated: )

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects D7800 before 1.0.1.44, R7500v2 before 1.0.3.38, R7800 before 1.0.2.52, R8900 before 1.0.4.12, and R9000 before 1.0.4.12.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
NETGEAR D7800	<1.0.1.44
NETGEAR D7800 Firmware
NETGEAR R7500v2 firmware	<1.0.3.38
NETGEAR R7500v2 firmware	=v2
NETGEAR R7800 firmware	<1.0.2.52
NETGEAR R7800 firmware
NETGEAR R8900 firmware	<1.0.4.12
NETGEAR R8900
NETGEAR R9000 firmware	<1.0.4.12
NETGEAR R9000 firmware

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Reference Links

https://kb.netgear.com/000060439/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-and-Modem-Routers-PSV-2018-0093

Frequently Asked Questions

What is the severity of CVE-2018-21112?
CVE-2018-21112 is considered a high-severity vulnerability due to its command injection nature which can be exploited by authenticated users.
How do I fix CVE-2018-21112?
To fix CVE-2018-21112, upgrade your NETGEAR device to the latest firmware version as specified for each affected model.
Which NETGEAR devices are affected by CVE-2018-21112?
CVE-2018-21112 affects NETGEAR D7800, R7500v2, R7800, R8900, and R9000 models before their respective firmware versions.
Can CVE-2018-21112 be exploited remotely?
No, CVE-2018-21112 requires authenticated access to be exploited, making it less of a risk from external threats.
What type of vulnerability is CVE-2018-21112?
CVE-2018-21112 is a command injection vulnerability that allows authenticated users to execute arbitrary commands on affected devices.

agent/type
collector/mitre-cve
source/MITRE
agent/references
agent/severity
agent/weakness
agent/last-modified-date
agent/author
agent/description
agent/first-publish-date
agent/event
agent/source
agent/softwarecombine
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
vendor/netgear
canonical/netgear d7800
canonical/netgear d7800 firmware
canonical/netgear r7500v2 firmware
version/netgear r7500v2 firmware/v2
canonical/netgear r7800 firmware
canonical/netgear r8900 firmware
canonical/netgear r8900
canonical/netgear r9000 firmware

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