CVE-2023-32152: D-Link Dir-2640 Firmware

Medium severity, CVSS 6.5. EPSS: 28.9% chance of exploitation in the next 30 days.

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 products

• D-Link Dir-2640 Firmware: version 1.11b02 only

Published 2024-05-03. Last modified 2026-06-17.