Medium severity6.5NVD Advisory· Published May 3, 2024· Updated Jun 17, 2026

CVE-2023-32152

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.

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Affected products

Dlink/DIR-2640llm-create2 versions
(expand)+ 1 more
- (no CPE)
- (no CPE)range: 1.11B02 (non-US, CA version)

Patches

Vulnerability mechanics

References

supportannouncement.us.dlink.com/announcement/publication.aspxnvdProductVendor Advisory
www.zerodayinitiative.com/advisories/ZDI-23-544/nvdThird Party Advisory

News mentions

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