CVE-2021-40284: Buffer Overflow

Published Sep 9, 2021
·
Updated

D-Link DSL-3782 EU v1.01:EU v1.03 is affected by a buffer overflow which can cause a denial of service. This vulnerability exists in the web interface "/cgi-bin/NewGUI/Igmp.asp". Authenticated remote attackers can trigger this vulnerability by sending a long string in parameter 'igmpsnoopEnable' via an HTTP request.

Affected Software

6 affected components
Dlink Dsl-3782 Firmware=eu_1.01
Dlink Dsl-3782 Firmware=eu_1.03
Dlink Dsl-3782
All of the following
Any of the following
Dlink Dsl-3782 Firmware=eu_1.01
Dlink Dsl-3782 Firmware=eu_1.03
Dlink Dsl-3782

Event History

Sep 9, 2021
CVE Published
via MITRE·04:18 PM
Data Sourced
via MITRE·04:18 PM
Description
Data Sourced
via NVD·05:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the vulnerability ID for this issue?

The vulnerability ID for this issue is CVE-2021-40284.

2

What is the severity of CVE-2021-40284?

The severity of CVE-2021-40284 is medium with a CVSS score of 6.5.

3

Which software versions are affected by CVE-2021-40284?

The D-Link DSL-3782 EU firmware versions eu_1.01 and eu_1.03 are affected by CVE-2021-40284.

4

How can this vulnerability be exploited?

Authenticated remote attackers can trigger CVE-2021-40284 by sending a long string in the 'igmpsnoopEnable' parameter via the web interface '/cgi-bin/New_GUI/Igmp.asp'.

5

Is there any official reference for CVE-2021-40284?

Yes, you can find the official references for CVE-2021-40284 at the following links: [SAP10245](https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10245) and [D-Link Security Bulletin](https://www.dlink.com/en/security-bulletin/).

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