D-Link DIR-2640 prog.cgi Request Handling Stack-based Buffer Overflow Remote Code Execution Vulnerability
CVE-2023-32149

8.8HIGH

Key Information:

Vendor

D-link
Status
Dir-2640
Vendor
CVE Published:
3 May 2024

What is CVE-2023-32149?

A buffer overflow vulnerability exists within the web management interface of D-Link DIR-2640 routers, which operates on TCP port 80 by default. The vulnerability arises from inadequate validation of the length of user-supplied input before it is transferred to a limited stack-based buffer. As a result, network-adjacent attackers can exploit this flaw to execute arbitrary code with root privileges on the affected devices. The issue can be exploited without the need for authentication, increasing the risk of unauthorized access.

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Affected Version(s)

DIR-2640 1.11B02 (non-US, CA version)

References

https://www.zerodayinitiative.com/advisories/ZDI-23-541/
x_research-advisory
https://supportannouncement.us.dlink.com/announcement/pub...
vendor-advisory

CVSS V3.1

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

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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