Vulnerability Description
D-Link G416 cfgsave Stack-Based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link G416 wireless routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the HTTP service listening on TCP port 80. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-21442.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Dlink | G416 Firmware | < 1.09b01 |
| Dlink | G416 | - |
Related Weaknesses (CWE)
References
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP1MitigationVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-23-1825/Third Party Advisory
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP1MitigationVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-23-1825/Third Party Advisory
FAQ
What is CVE-2023-50209?
CVE-2023-50209 is a vulnerability with a CVSS score of 8.8 (HIGH). D-Link G416 cfgsave Stack-Based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link ...
How severe is CVE-2023-50209?
CVE-2023-50209 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-2023-50209?
Check the references section above for vendor advisories and patch information. Affected products include: Dlink G416 Firmware, Dlink G416.