CVE-2022-43648 - CVE House

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Status published High CVE-2022-43648

This vulnerability allows network-adjacent attackers to execute arbitrary code on...

8.8 CVSS

Vulnerability Description

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-3040 1.20B03 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the MiniDLNA service. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the MiniDLNA service. Was ZDI-CAN-19910.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

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

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Nicholas Zubrisky

References

More from D-Link

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D-Link DI-8400 yyxz.asp yyxz_dlink_asp stack-based overflow

D-Link DI-7400G+ mng_platform.asp sub_478D28 command injection

D-Link DIR-852 SOAP Service soap.cgi soapcgi_main os command injection

D-Link DI-500WF jhttpd version_upgrade.asp os command injection

D-Link DIR-816L soap.cgi soapcgi_main os command injection

Affected Vendor

D-Link

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Affected Software

DIR-3040

Vulnerable Versions:

1.20B03

Timeline

Official Publish: March 29th, 2023

Last Modified: February 12th, 2025

Added to House: July 21st, 2026

CVSS Vectors

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

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1203 Exploitation for Client Execution

T1068 Exploitation for Privilege Escalation

Privilege Escalation

T1055 Process Injection

Defense Evasion