CVE Vulnerability

CVE-2020-8863

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.

8.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 6.5 / Impact : 10

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

Scope

8.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10157 Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-267/ Third Party Advisory VDB Entry
Configurations

Configuration 1
Information

Published : 2020-03-23 09:15

Updated : 2021-04-23 05:53

NVD link : CVE-2020-8863

Mitre link : CVE-2020-8863

Products Affected

Dir-878 Firmware

Dlink

CWE
CWE-287