Vulnerability Description
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-1860 firmware version 1.04B03 WiFi extenders. Authentication is not required to exploit this vulnerability. The specific flaw exists within the HNAP service, which listens on TCP port 80 by default. When parsing the Authorization request header, the process does not properly validate 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 device. Was ZDI-CAN-10880.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Dlink | Dap-1860 Firmware | <= 1.04b03 |
| Dlink | Dap-1860 | ax |
Related Weaknesses (CWE)
References
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP1Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-1428/Third Party AdvisoryVDB Entry
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP1Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-1428/Third Party AdvisoryVDB Entry
FAQ
What is CVE-2020-27864?
CVE-2020-27864 is a vulnerability with a CVSS score of 8.8 (HIGH). This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-1860 firmware version 1.04B03 WiFi extenders. Authentication is not required to e...
How severe is CVE-2020-27864?
CVE-2020-27864 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-2020-27864?
Check the references section above for vendor advisories and patch information. Affected products include: Dlink Dap-1860 Firmware, Dlink Dap-1860.