CVE-2020-8861: D-Link DAP-1330 HNAP Incorrect Implementation of Authentication Algorithm Authentication Bypass Vulnerability

Published Feb 22, 2020
·
Updated

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DAP-1330 1.10B01 BETA Wi-Fi range extenders. 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 cookies. An attacker can leverage this vulnerability to execute arbitrary code on the router. Was ZDI-CAN-9554.

Affected Software

6 affected components
Dlink Dap-1330 Firmware<1.10b01
Dlink Dap-1330 Firmware=1.10b01-beta
Dlink Dap-1330
All of the following
Any of the following
Dlink Dap-1330 Firmware<1.10b01
Dlink Dap-1330 Firmware=1.10b01-beta
Dlink Dap-1330

Event History

Feb 22, 2020
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·12:15 AM
DescriptionSeverityWeaknessAffected Software
Jun 29, 2026
Advisory Published
via ZDI·03:42 AM
Data Sourced
via ZDI·03:42 AM
DescriptionAffected Software
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Frequently Asked Questions

1

What is CVE-2020-8861?

CVE-2020-8861 is a vulnerability that allows network-adjacent attackers to bypass authentication on affected installations of D-Link DAP-1330 Wi-Fi range extenders.

2

How severe is the CVE-2020-8861 vulnerability?

The severity of CVE-2020-8861 is high with a CVSS score of 8.8.

3

How does the CVE-2020-8861 vulnerability affect D-Link DAP-1330 devices?

The CVE-2020-8861 vulnerability affects D-Link DAP-1330 devices by allowing authentication bypass.

4

What is the affected software version for CVE-2020-8861?

The affected software version for CVE-2020-8861 is D-Link DAP-1330 1.10B01 BETA firmware.

5

Is authentication required to exploit CVE-2020-8861?

No, authentication is not required to exploit CVE-2020-8861.

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