CVEvulnerability
CVE-2020-15633
8.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-07-23
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.0 ([email protected])
- 8.8 HIGH — CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 5.8 MEDIUM — AV:A/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-288
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.
Affected configurations
• d-link dir-867 firmware (<= 1.20b10)
• d-link dir-878 firmware (<= 1.20b05)
• d-link dir-882 firmware
Related
Weakness · CWE (1)
- CWE-288 Authentication Bypass Using an Alternate Path or Channel weakness
References
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10186 Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-881/ Third Party Advisory, VDB Entry
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10186 Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-881/ Third Party Advisory, VDB Entry