CVE-2024-5294 - CVE House
Back to Database
Status published Medium CVE-2024-5294

D-Link DIR-3040 prog.cgi websSecurityHandler Memory Leak Denial-of-Service Vulnerability

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2024-5294

Credits & Attribution

No credits recorded in the NVD database.

References

More from D-Link

View All →
CVE-2025-9938
D-Link DI-8400 yyxz.asp yyxz_dlink_asp stack-based overflow
High 8.7
CVE-2025-9769
D-Link DI-7400G+ mng_platform.asp sub_478D28 command injection
Low 2.4
CVE-2025-9752
D-Link DIR-852 SOAP Service soap.cgi soapcgi_main os command injection
Medium 6.9
CVE-2025-9745
D-Link DI-500WF jhttpd version_upgrade.asp os command injection
Medium 5.1
CVE-2025-9727
D-Link DIR-816L soap.cgi soapcgi_main os command injection
Medium 5.3

Affected Vendor

Affected Software

DIR-3040
Vulnerable Versions:
120B03

Timeline

Official Publish: May 23rd, 2024
Last Modified: August 1st, 2024
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weaknesses (CWE)

CWE-401

MITRE ATT&CK TTPs

T1499 Endpoint Denial of Service
Impact
T1190 Exploit Public-Facing Application
Initial Access
T1059 Command and Scripting Interpreter
Execution
T1486 Data Encrypted for Impact
Impact
T1562 Impair Defenses
Defense Evasion