VULNERABILITY INTELLIGENCE
CVE-2020-8863
CVSS score8.8 HIGH
EPSS probability78.41%
CISA KEVNot currently listed
Published2020-03-23
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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 implementation of the authentication algorithm. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of the router. Was ZDI-CAN-9470.
Weakness classification
- zdi-disclosures@trendmicro.com: CWE-303
- nvd@nist.gov: CWE-287
Primary references
- zdi-disclosures@trendmicro.com — Third Party Advisory
- zdi-disclosures@trendmicro.com — Third Party Advisory, VDB Entry
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry