CVE-2022-43648: D-Link DIR-3040 MiniDLNA Heap-based Buffer Overflow Remote Code Execution Vulnerability
First published: Wed Mar 29 2023(Updated: )
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.
Credit: zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Dlink Dir-3040 Firmware | <=1.20b03 | |
| Dlink Dir-3040 | ||
| D-Link DIR-3040 |
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Reference Links
Frequently Asked Questions
What is CVE-2022-43648?
CVE-2022-43648 is a vulnerability that allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-3040 1.20B03 routers.
How severe is CVE-2022-43648?
CVE-2022-43648 has a severity rating of 8.8, which is considered high.
What is the affected software of CVE-2022-43648?
The affected software is D-Link DIR-3040 firmware 1.20B03.
Is authentication required to exploit CVE-2022-43648?
No, authentication is not required to exploit CVE-2022-43648.
How can I fix CVE-2022-43648?
To fix CVE-2022-43648, it is recommended to update to the latest firmware version provided by D-Link.
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