What is CVE-2021-46319?

CVE-2021-46319 is a Remote Code Execution (RCE) vulnerability in D-Link Router DIR-846.

What is the severity of CVE-2021-46319?

The severity of CVE-2021-46319 is critical with a CVSS score of 9.8.

How does CVE-2021-46319 work?

CVE-2021-46319 allows malicious users to bypass shell metacharacters in the ssid0 or ssid1 parameters and execute arbitrary commands.

Which software versions are affected by CVE-2021-46319?

D-Link Router DIR-846 with firmware versions 100a43 and 100a53dla are affected by CVE-2021-46319.

How can I fix CVE-2021-46319?

To fix CVE-2021-46319, it is recommended to update the firmware of D-Link Router DIR-846 to the latest version.

Vulnerability/
CVE-2021-46319

critical

CWE

17/2/2022

4/8/2024

CVE-2021-46319: OS Command Injection

First published: Thu Feb 17 2022(Updated: )

Remote Code Execution (RCE) vulnerability exists in D-Link Router DIR-846 DIR846A1_FW100A43.bin and DIR846enFW100A53DLA-Retail.bin. Malicious users can use this vulnerability to use "\ " or backticks to bypass the shell metacharacters in the ssid0 or ssid1 parameters to execute arbitrary commands.This vulnerability is due to the fact that CVE-2019-17509 is not fully patched and can be bypassed by using line breaks or backticks on its basis.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Dlink Dir-846 Firmware	=100a43
Dlink Dir-846	=a1
Dlink Dir-846 Firmware	=100a53dla
Dlink Dir-846

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Frequently Asked Questions

What is CVE-2021-46319?
CVE-2021-46319 is a Remote Code Execution (RCE) vulnerability in D-Link Router DIR-846.
What is the severity of CVE-2021-46319?
The severity of CVE-2021-46319 is critical with a CVSS score of 9.8.
How does CVE-2021-46319 work?
CVE-2021-46319 allows malicious users to bypass shell metacharacters in the ssid0 or ssid1 parameters and execute arbitrary commands.
Which software versions are affected by CVE-2021-46319?
D-Link Router DIR-846 with firmware versions 100a43 and 100a53dla are affected by CVE-2021-46319.
How can I fix CVE-2021-46319?
To fix CVE-2021-46319, it is recommended to update the firmware of D-Link Router DIR-846 to the latest version.

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agent/description
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agent/event
agent/last-modified-date
agent/softwarecombine
agent/first-publish-date
collector/mitre-cve
source/MITRE
vendor/dlink
canonical/dlink dir-846 firmware
version/dlink dir-846 firmware/100a43
canonical/dlink dir-846
version/dlink dir-846/a1
version/dlink dir-846 firmware/100a53dla

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