CVE-2022-43648

D-Link DIR-3040 MiniDLNA Heap-based Buffer Overflow Remote Code Execution Vulnerability

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-3040 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.

*Credits: Nicholas Zubrisky

CVSS Scores

NISTv3.1 8.8

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-10-21 CVE Reserved
2023-01-18 CVE Published
2024-08-03 CVE Updated
2024-09-08 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-122: Heap-based Buffer Overflow

CAPEC

References (2)

URL	Tag	Source
https://www.zerodayinitiative.com/advisories/ZDI-23-052	Third Party Advisory

URL	Date	SRC

URL	Date	SRC
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10322	2023-04-08

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Dlink Search vendor "Dlink"	Dir-3040 Firmware Search vendor "Dlink" for product "Dir-3040 Firmware"	<= 1.20b03 Search vendor "Dlink" for product "Dir-3040 Firmware" and version " <= 1.20b03"	-	Affected	in	Dlink Search vendor "Dlink"	Dir-3040 Search vendor "Dlink" for product "Dir-3040"	-	-	Safe