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CVE-2021-40284 Details

Description

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/New_GUI/Igmp.asp". Authenticated remote attackers can trigger this vulnerability by sending a long string in parameter 'igmpsnoopEnable' via an HTTP request.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10245	CVE	PatchVendor Advisory
https://www.dlink.com/en/security-bulletin/	CVE	Vendor Advisory
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10245	[email protected]	PatchVendor Advisory
https://www.dlink.com/en/security-bulletin/	[email protected]	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-120	Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')	[email protected]

Affected Products

Product	Versions
dlink dsl-3782 firmware	eu_1.01 eu_1.03
CPE cpe:2.3:o:dlink:dsl-3782_firmware:eu_1.01:::::::* cpe:2.3:o:dlink:dsl-3782_firmware:eu_1.03:::::::* Remediation No remediation found in references.
dlink dsl-3782	All versions
CPE cpe:2.3:h:dlink:dsl-3782:-:::::::* Remediation No remediation found in references.

Change History

4 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Sep 22, 2021	Initial Analysis	[email protected]