CVE-2023-32148: D-Link DIR-2640 HNAP PrivateLogin Authentication Bypass Vulnerability

Published May 3, 2024

Updated

D-Link DIR-2640 HNAP PrivateLogin 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 crafted XML element in the 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-19545.

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

Frequently Asked Questions

What is the severity of CVE-2023-32148?

CVE-2023-32148 is classified as a medium severity vulnerability.

How do I fix CVE-2023-32148?

To fix CVE-2023-32148, users should update the firmware of their D-Link DIR-2640 to the latest version provided by D-Link.

Who is affected by CVE-2023-32148?

Users of the D-Link DIR-2640 router with unpatched firmware are affected by CVE-2023-32148.

What kind of attacks can CVE-2023-32148 enable?

CVE-2023-32148 enables network-adjacent attackers to bypass authentication on affected routers.

Is authentication required to exploit CVE-2023-32148?

No, authentication is not required to exploit CVE-2023-32148.