Stack-based Buffer Overflow in D-Link DSL-2640B Devices
CVE-2020-9276

8.8HIGH

Key Information:

Vendor
D-Link
Status
Dsl-2640b Firmware
Vendor
CVE Published:
20 April 2020

Summary

A vulnerability was found in D-Link DSL-2640B B2 EU_4.01B devices, specifically in the function do_cgi() which handles CGI requests on the device's web server. This flaw can be exploited remotely by an attacker, allowing for unauthorized access that can result in a stack-based buffer overflow. Combining this vulnerability with another identified issue (CVE-2020-9277) can further facilitate the exploitation process, posing significant risks to network security.

References

https://www.dlink.com/en/security-bulletin
x_refsource_MISC
https://raelize.com/posts/d-link-dsl-2640b-security-advis...
x_refsource_MISC
https://raelize.com/advisories/CVE-2020-9276_D-Link-DSL-2...
x_refsource_MISC

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.