CVE-2022-40720: D-Link DIR-2150 xupnpd Dreambox Plugin Command Injection Remote Code Execution Vulnerability
First published: Thu Jan 26 2023(Updated: )
This vulnerability allows network-adjacent attackers to execute arbitrary commands on affected installations of D-Link DIR-2150 4.0.1 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the Dreambox plugin for the xupnpd service, which listens on TCP port 4044 by default. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of the router. Was ZDI-CAN-15935.
Credit: zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| D-Link DIR-2150 | ||
| Dlink Dir-2150 Firmware | <=4.0.1 | |
| Dlink Dir-2150 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2022-40720.
What is the severity of CVE-2022-40720?
The severity of CVE-2022-40720 is high with a CVSS score of 8.8.
What is the affected software?
The affected software is D-Link DIR-2150 4.0.1 routers.
How does CVE-2022-40720 work?
CVE-2022-40720 allows network-adjacent attackers to execute arbitrary commands on affected installations of D-Link DIR-2150 4.0.1 routers.
Is authentication required to exploit CVE-2022-40720?
No, authentication is not required to exploit CVE-2022-40720.
Are there any references for CVE-2022-40720?
Yes, you can find more information about CVE-2022-40720 at the following references: [Link 1](https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10304), [Link 2](https://www.zerodayinitiative.com/advisories/ZDI-22-1224/).
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