TI-2021-17387 Aliases CVE-2021-40284 GHSA-jp7p-c272-p959

D-Link DSL-3782 EU v1.01:EU v1.03 is affected by a buffer overflow which can cause a…

LOW 34CWE-120Published 2021-09-09 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.

Summary

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.

Why it matters now

EPSS 0.0263 85th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPE	Versions	Role	Vendor
cpe:2.3:o:dlink:dsl-3782_firmware:eu_1.01:::::::*	eu_1.01	Vulnerable	D-Link Japan K.K.
cpe:2.3:o:dlink:dsl-3782_firmware:eu_1.03:::::::*	eu_1.03	Vulnerable	D-Link Japan K.K.
cpe:2.3:h:dlink:dsl-3782:-:::::::*	not specified by NVD	Running on	D-Link Japan K.K.

cpe:2.3:o:dlink:dsl-3782_firmware:eu_1.01:*:*:*:*:*:*:* Versions eu_1.01 Vulnerable ·D-Link Japan K.K.
cpe:2.3:o:dlink:dsl-3782_firmware:eu_1.03:*:*:*:*:*:*:* Versions eu_1.03 Vulnerable ·D-Link Japan K.K.
cpe:2.3:h:dlink:dsl-3782:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·D-Link Japan K.K.

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-40284
2026-10-03 Alias added: GHSA-jp7p-c272-p959

References

Patch 1

https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10245

Advisory 1

https://www.dlink.com/en/security-bulletin/

TI-2023-24037 An issue found in D-Link DSL-3782 v.1.03 and before allows remote authenticated users to… CVSS 3.1HIGH 8.8
TI-2025-19169 An OS command injection vulnerability was discovered in D-Link DSL-3782 v1.01 via the… CVSS 3.1HIGH 8.0
TI-2025-19168 An OS command injection vulnerability was discovered in D-Link DSL-3782 v1.01 via the… CVSS 3.1HIGH 8.0
TI-2025-19167 An OS command injection vulnerability was discovered in D-Link DSL-3782 v1.01 via the… CVSS 3.1HIGH 8.0
TI-2025-19170 A buffer overflow vulnerability was discovered in D-Link DSL-3782 v1.01 via the… CVSS 3.1MEDIUM 5.7
TI-2025-19166 A buffer overflow vulnerability was discovered in D-Link DSL-3782 v1.01 via the sstartip… CVSS 3.1MEDIUM 5.7

See all 16 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences