What is CVE-2021-45623?

CVE-2021-45623 is a vulnerability that allows an unauthenticated attacker to execute arbitrary commands on certain NETGEAR devices.

Which devices are affected by CVE-2021-45623?

CVE-2021-45623 affects NETGEAR R7800 before firmware version 1.0.2.74, NETGEAR R9000 before firmware version 1.0.5.2, and NETGEAR XR500 before firmware version 2.3.2.66.

How severe is CVE-2021-45623?

CVE-2021-45623 has a severity rating of 9.8 (Critical).

How can I fix CVE-2021-45623?

To fix CVE-2021-45623, it is recommended to update the firmware of the affected NETGEAR devices to the latest available version.

Where can I find more information about CVE-2021-45623?

More information about CVE-2021-45623 can be found in the Netgear Security Advisory: https://kb.netgear.com/000064449/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-Routers-PSV-2019-0203

Vulnerability/
CVE-2021-45623

critical

9.8

CWE

26/12/2021

4/8/2024

CVE-2021-45623: Command Injection

First published: Sun Dec 26 2021(Updated: )

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects R7800 before 1.0.2.74, R9000 before 1.0.5.2, and XR500 before 2.3.2.66.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
NETGEAR R7800 firmware	<1.0.2.74
NETGEAR R7800
Netgear R9000 Firmware	<1.0.5.2
NETGEAR R9000
Netgear Xr500 Firmware	<2.3.2.66
NETGEAR XR500

Remedy

https://kb.netgear.com/000064449/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-Routers-PSV-2019-0203

Never miss a vulnerability like this again

Reference Links

https://kb.netgear.com/000064449/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-Routers-PSV-2019-0203

Frequently Asked Questions

What is CVE-2021-45623?
CVE-2021-45623 is a vulnerability that allows an unauthenticated attacker to execute arbitrary commands on certain NETGEAR devices.
Which devices are affected by CVE-2021-45623?
CVE-2021-45623 affects NETGEAR R7800 before firmware version 1.0.2.74, NETGEAR R9000 before firmware version 1.0.5.2, and NETGEAR XR500 before firmware version 2.3.2.66.
How severe is CVE-2021-45623?
CVE-2021-45623 has a severity rating of 9.8 (Critical).
How can I fix CVE-2021-45623?
To fix CVE-2021-45623, it is recommended to update the firmware of the affected NETGEAR devices to the latest available version.
Where can I find more information about CVE-2021-45623?
More information about CVE-2021-45623 can be found in the Netgear Security Advisory: https://kb.netgear.com/000064449/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-Routers-PSV-2019-0203

collector/nvd-index
agent/type
collector/mitre-cve
source/MITRE
agent/severity
agent/last-modified-date
agent/author
agent/remedy
agent/references
agent/weakness
agent/tags
agent/description
agent/first-publish-date
agent/softwarecombine
agent/event
vendor/netgear
canonical/netgear r7800 firmware
canonical/netgear r7800
canonical/netgear r9000 firmware
canonical/netgear r9000
canonical/netgear xr500 firmware
canonical/netgear xr500

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