Vulnerability Description
D-Link DIR-3040 prog.cgi SetTriggerPPPoEValidate Stack-Based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-3040 routers. Authentication is required to exploit this vulnerability. The specific flaw exists within the prog.cgi binary, which handles HNAP requests made to the lighttpd webserver listening on TCP ports 80 and 443. The issue results from the lack of proper validation of a user-supplied string before copying it to a fixed-size stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-21653.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Dlink | Dir-3040 Firmware | <= 1.20b03 |
| Dlink | Dir-3040 | - |
Related Weaknesses (CWE)
References
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP1PatchVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-23-1335/Third Party Advisory
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP1PatchVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-23-1335/Third Party Advisory
FAQ
What is CVE-2023-41227?
CVE-2023-41227 is a vulnerability with a CVSS score of 6.8 (MEDIUM). D-Link DIR-3040 prog.cgi SetTriggerPPPoEValidate Stack-Based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affe...
How severe is CVE-2023-41227?
CVE-2023-41227 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-41227?
Check the references section above for vendor advisories and patch information. Affected products include: Dlink Dir-3040 Firmware, Dlink Dir-3040.