Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Dlink | Dir-2150 Firmware | <= 4.0.1 |
| Dlink | Dir-2150 | - |
Related Weaknesses (CWE)
References
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP1PatchVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-1224/Third Party AdvisoryVDB Entry
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP1PatchVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-1224/Third Party AdvisoryVDB Entry
FAQ
What is CVE-2022-40720?
CVE-2022-40720 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 vulnerabil...
How severe is CVE-2022-40720?
CVE-2022-40720 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-40720?
Check the references section above for vendor advisories and patch information. Affected products include: Dlink Dir-2150 Firmware, Dlink Dir-2150.