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

Medium 6.5 Published 3 May 2024 Updated 18 Sep 2024

Network-adjacent attackers can bypass authentication on D-Link DIR-2640 routers via crafted XML in login requests.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-32148?

CVE-2023-32148 is a medium-severity authentication bypass vulnerability in D-Link DIR-2640, published on 3 May 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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.

Weakness: CWE-303

Which versions are affected by CVE-2023-32148?

It affects 1 product.

Products include Dlink Dir-2640 Firmware.

How do I fix CVE-2023-32148?

No fix has been published for CVE-2023-32148 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2023-32148 being exploited?

There is no known exploitation of CVE-2023-32148 in the wild and no public exploit code.

Sources

Also known as GHSA-qjfm-3pc3-mmj2.