CVE Vulnerability

CVE-2020-27864

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-1860 firmware version 1.04B03 WiFi extenders. Authentication is not required to exploit this vulnerability. The specific flaw exists within the HNAP service, which listens on TCP port 80 by default. When parsing the Authorization request header, the process does not properly validate a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of the device. Was ZDI-CAN-10880.

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://www.zerodayinitiative.com/advisories/ZDI-20-1428/ Third Party Advisory VDB Entry
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10197 Vendor Advisory
Configurations

Configuration 1
Information

Published : 2021-02-12 12:15

Updated : 2021-03-25 07:17

NVD link : CVE-2020-27864

Mitre link : CVE-2020-27864

Products Affected

Dap-1860 Firmware

Dlink

CWE
CWE-77