What’s Vulnerable › Vulnerabilities

CVE-2021-40284

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-09-09 · updated 2026-06-17
• Weakness: CWE-120

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.

Affected products

• Dlink Dsl-3782 Firmware: eu_1.01, eu_1.03

References

• https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10245
• https://www.dlink.com/en/security-bulletin/
• https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10245
• https://www.dlink.com/en/security-bulletin/

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