8.8
HIGH CVSS 3.1
CVE-2022-43648
D-Link DIR-3040 MiniDLNA Service Buffer Overflow
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.

INFO

Published Date :

March 29, 2023, 7:15 p.m.

Last Modified :

Nov. 21, 2024, 7:26 a.m.

Remotely Exploit :

No

Source :

[email protected]
Affected Products

The following products are affected by CVE-2022-43648 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Dlink dir-3040_firmware
2 Dlink dir-3040
: Total Affected Vendor : 1 | Products : 2
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.0 HIGH [email protected]
CVSS 3.1 HIGH [email protected]
Public PoC/Exploit Available at Github

CVE-2022-43648 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2022-43648.

URL Resource
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10322 Patch Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-23-052/ Third Party Advisory VDB Entry
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10322 Patch Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-23-052/ Third Party Advisory VDB Entry
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2022-43648 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2022-43648 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

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attilaszia/linux-iot-cves

None

Updated: 1 week, 3 days ago
44 stars 7 fork 7 watcher
Born at : July 30, 2025, 2:58 p.m. This repo has been linked 117 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2022-43648 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2022-43648 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10322
    Added Reference https://www.zerodayinitiative.com/advisories/ZDI-23-052/
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Apr. 08, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10322 No Types Assigned https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10322 Patch, Vendor Advisory
    Changed Reference Type https://www.zerodayinitiative.com/advisories/ZDI-23-052/ No Types Assigned https://www.zerodayinitiative.com/advisories/ZDI-23-052/ Third Party Advisory, VDB Entry
    Added CPE Configuration AND OR *cpe:2.3:o:dlink:dir-3040_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.20b03 OR cpe:2.3:h:dlink:dir-3040:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 8.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 8.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.71 }} -0.94%

score

0.69876

percentile