CVE-2023-32152: D-Link DIR-2640 HNAP LoginPassword Authentication Bypass Vulnerability

Published May 3, 2024
·
Updated

D-Link DIR-2640 HNAP LoginPassword Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-2640 routers. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the web management interface, which listens on TCP port 80 by default. A specially crafted login request can cause authentication to succeed without providing proper credentials. An attacker can leverage this vulnerability to bypass authentication on the system. . Was ZDI-CAN-19549.

Affected Software

3 affected components
D-Link DIR-2640
All of the following
Dlink Dir-2640 Firmware=1.11b02
Dlink Dir-2640

Event History

May 3, 2024
CVE Published
via MITRE·01:56 AM
Data Sourced
via MITRE·01:56 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·02:15 AM
DescriptionSeverityWeaknessAffected Software
Feb 21, 2025
Advisory Published
via ZDI·07:27 PM
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Frequently Asked Questions

1

What is the severity of CVE-2023-32152?

CVE-2023-32152 is classified as a high-severity vulnerability due to its potential for unauthorized access.

2

How do I fix CVE-2023-32152?

To remediate CVE-2023-32152, update the D-Link DIR-2640 firmware to the latest version provided by D-Link.

3

Who is affected by CVE-2023-32152?

CVE-2023-32152 affects all installations of the D-Link DIR-2640 router that haven't been patched.

4

Can CVE-2023-32152 be exploited remotely?

CVE-2023-32152 requires network adjacency for exploitation, meaning attackers need to be on the same local network.

5

What are the potential consequences of CVE-2023-32152?

Exploitation of CVE-2023-32152 allows attackers to bypass authentication and gain unauthorized access to the router's settings.

Contact

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