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 1.20B10_BETA. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of HNAP requests. The issue results from incorrect string matching logic when accessing protected pages. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of the router. Was ZDI-CAN-10835.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| D-Link | Dir-867 Firmware | <= 1.20b10 |
| Dlink | Dir-867 | - |
| D-Link | Dir-878 Firmware | <= 1.20b05 |
| Dlink | Dir-878 | - |
| D-Link | Dir-882 Firmware | - |
| Dlink | Dir-882 | - |
Related Weaknesses (CWE)
References
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP1Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-881/Third Party AdvisoryVDB Entry
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP1Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-881/Third Party AdvisoryVDB Entry
FAQ
What is CVE-2020-15633?
CVE-2020-15633 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 1.20B10_BETA. Authentication is no...
How severe is CVE-2020-15633?
CVE-2020-15633 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-2020-15633?
Check the references section above for vendor advisories and patch information. Affected products include: D-Link Dir-867 Firmware, Dlink Dir-867, D-Link Dir-878 Firmware, Dlink Dir-878, D-Link Dir-882 Firmware.