CVE-2021-40284
6.5 MEDIUMD-Link DSL-3782 EU v1.01:EU v1.03 is affected by a buffer overflow which can cause a denial of service
Published: 2021-09-09 · Last updated: 2026-06-17
Severity and scoring
- CVSS
- 6.5 MEDIUM
- Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CWE
- CWE-120
Affected products
| Vendor | Product |
|---|---|
| dlink | dsl-3782_firmware |
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.
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-40284
- [Patch]https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10245
- [Vendor advisory]https://www.dlink.com/en/security-bulletin/
- [Patch]https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10245
- [Vendor advisory]https://www.dlink.com/en/security-bulletin/
Related CVEs
Same vendor
- CVE-2026-12174 — A security vulnerability has been detected in D-Link DCS-935L 1.10.01 (8.8 HIGH)
- CVE-2026-11555 — A vulnerability was identified in D-Link DGS-1100-08PD 1.00.006 (3.7 LOW)
- CVE-2026-11497 — A vulnerability has been found in D-Link DCS-5615 1.01.00 (5.3 MEDIUM)
- CVE-2026-11492 — A security flaw has been discovered in D-Link DIR-823G 1.0.2B05 (4.3 MEDIUM)
- CVE-2026-11339 — A vulnerability was detected in D-Link DWR-M920 up to 1.1.50 (6.3 MEDIUM)
Same CWE
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