CVE-2020-8864 - CVE House
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Status published High CVE-2020-8864

This vulnerability allows network-adjacent attackers to bypass authentication on affected...

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 1.10B04. 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 handling of empty passwords. An attacker can leverage this vulnerability to execute arbitrary code on the router. Was ZDI-CAN-9471.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • chung96vn - Security Researcher of VinCSS (Member of Vingroup)

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Affected Vendor

Affected Software

Multiple Routers
Vulnerable Versions:
1.10B04

Timeline

Official Publish: March 23rd, 2020
Last Modified: August 4th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-697

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.