CVE-2023-32152

MEDIUM

D-Link DIR-2640 Firmware - Unauthenticated Authentication Bypass via HNAP LoginPassword

Title source: llm
STIX 2.1

Description

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.

References (2)

Core 2
Core References
Third Party Advisory x_research-advisory
https://www.zerodayinitiative.com/advisories/ZDI-23-544/

Scores

CVSS v3 6.5
EPSS 0.2745
EPSS Percentile 97.8%
Attack Vector ADJACENT_NETWORK
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-303
Status published
Products (1)
dlink/dir-2640_firmware 1.11b02
Published May 03, 2024
Tracked Since Feb 18, 2026