Vulnerability Description
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-867, DIR-878, and DIR-882 routers with firmware 1.10B04. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of HNAP login requests. The issue results from the lack of proper handling of empty passwords. An attacker can leverage this vulnerability to execute arbitrary code on the router. Was ZDI-CAN-9471.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Dlink | Dir-878 Firmware | <= 1.20b03 |
| Dlink | Dir-878 | - |
| Dlink | Dir-882 Firmware | <= 1.10b04 |
| Dlink | Dir-882 | - |
| Dlink | Dir-867 Firmware | <= 1.10b04 |
| Dlink | Dir-867 | - |
Related Weaknesses (CWE)
References
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP1Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-268/Third Party AdvisoryVDB Entry
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP1Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-268/Third Party AdvisoryVDB Entry
FAQ
What is CVE-2020-8864?
CVE-2020-8864 is a vulnerability with a CVSS score of 8.8 (HIGH). This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-867, DIR-878, and DIR-882 routers with firmware 1.10B04. Authentication is not req...
How severe is CVE-2020-8864?
CVE-2020-8864 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-2020-8864?
Check the references section above for vendor advisories and patch information. Affected products include: Dlink Dir-878 Firmware, Dlink Dir-878, Dlink Dir-882 Firmware, Dlink Dir-882, Dlink Dir-867 Firmware.