What is the vulnerability ID for this issue?

The vulnerability ID for this issue is CVE-2022-30521.

What is the severity of CVE-2022-30521?

The severity of CVE-2022-30521 is critical with a CVSS score of 9.8.

Which software versions are affected by CVE-2022-30521?

The D-Link Wi-Fi router firmware version DIR-890L DIR890LA1_FW107b09.bin and previous versions are affected by CVE-2022-30521.

Is the D-Link DIR-890L router itself vulnerable to CVE-2022-30521?

No, the D-Link DIR-890L router itself is not vulnerable to CVE-2022-30521.

How can I fix the CVE-2022-30521 vulnerability?

To fix the CVE-2022-30521 vulnerability, you should update your D-Link Wi-Fi router firmware to a version that is not vulnerable.

Vulnerability/
CVE-2022-30521

critical

CWE

787 119

27/5/2022

3/8/2024

CVE-2022-30521: Buffer Overflow

First published: Fri May 27 2022(Updated: )

The LAN-side Web-Configuration Interface has Stack-based Buffer Overflow vulnerability in the D-Link Wi-Fi router firmware DIR-890L DIR890LA1_FW107b09.bin and previous versions. The function created at 0x17958 of /htdocs/cgibin will call sprintf without checking the length of strings in parameters given by HTTP header and can be controlled by users easily. The attackers can exploit the vulnerability to carry out arbitrary code by means of sending a specially constructed payload to port 49152.

Credit: cve@mitre.org cve@mitre.org

Affected Software	Affected Version	How to fix
Dlink Dir-890l Firmware	<=1.07b09
Dlink Dir-890l

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Frequently Asked Questions

What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2022-30521.
What is the severity of CVE-2022-30521?
The severity of CVE-2022-30521 is critical with a CVSS score of 9.8.
Which software versions are affected by CVE-2022-30521?
The D-Link Wi-Fi router firmware version DIR-890L DIR890LA1_FW107b09.bin and previous versions are affected by CVE-2022-30521.
Is the D-Link DIR-890L router itself vulnerable to CVE-2022-30521?
No, the D-Link DIR-890L router itself is not vulnerable to CVE-2022-30521.
How can I fix the CVE-2022-30521 vulnerability?
To fix the CVE-2022-30521 vulnerability, you should update your D-Link Wi-Fi router firmware to a version that is not vulnerable.

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agent/event
collector/nvd-api
agent/software-canonical-lookup-request
collector/mitre-cve
source/MITRE
vendor/dlink
canonical/dlink dir-890l firmware
version/dlink dir-890l firmware/1.07b09
canonical/dlink dir-890l

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