Buffer Overflow Vulnerability in D-Link DSL-3782 by D-Link
CVE-2021-40284

6.5MEDIUM

Key Information:

Vendor

D-Link
Status
Dsl-3782 Firmware
Vendor
CVE Published:
9 September 2021

What is CVE-2021-40284?

The D-Link DSL-3782 EU v1.01 and v1.03 are vulnerable to a buffer overflow issue in the web interface, specifically in the '/cgi-bin/New_GUI/Igmp.asp' endpoint. This security flaw allows authenticated remote attackers to trigger a denial of service by sending a maliciously crafted long string in the 'igmpsnoopEnable' parameter through an HTTP request, potentially causing disruption of service.

References

https://www.dlink.com/en/security-bulletin/
x_refsource_MISC
https://supportannouncement.us.dlink.com/announcement/pub...
x_refsource_MISC

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2021-40284 : Buffer Overflow Vulnerability in D-Link DSL-3782 by D-Link