D-Link DIR-3040 prog.cgi Web Security Handler Memory Leak Denial-of-Service Vulnerability
CVE-2024-5294

6.5MEDIUM

Key Information:

Vendor

D-link
Status
Dir-3040
Vendor
CVE Published:
23 May 2024

What is CVE-2024-5294?

D-Link DIR-3040 prog.cgi websSecurityHandler Memory Leak Denial-of-Service Vulnerability. This vulnerability allows network-adjacent attackers to create a denial-of-service condition on affected installations of D-Link DIR-3040 routers. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the prog.cgi program, which handles HNAP requests made to the lighttpd webserver listening on ports 80 and 443. The issue results from the lack of proper memory management when processing HTTP cookie values. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. . Was ZDI-CAN-21668.

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Affected Version(s)

DIR-3040 120B03

References

https://www.zerodayinitiative.com/advisories/ZDI-24-445/
x_research-advisory

CVSS V3.1

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

Timeline

  • Vulnerability published

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