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.
Published: 2024-05-03
Score: 6.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2023-36416 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.
History

Wed, 06 Aug 2025 14:30:00 +0000

Type Values Removed Values Added
First Time appeared Dlink
Dlink dir-2640
Dlink dir-2640 Firmware
CPEs cpe:2.3:h:dlink:dir-2640:-:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dir-2640_firmware:1.11b02:*:*:*:*:*:*:*
Vendors & Products Dlink
Dlink dir-2640
Dlink dir-2640 Firmware

Wed, 18 Sep 2024 18:45:00 +0000

Type Values Removed Values Added
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. 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.

Subscriptions

D-link Dir-2640-us Firmware
Dlink Dir-2640 Dir-2640 Firmware
cve-icon MITRE

Status: PUBLISHED

Assigner: zdi

Published:

Updated: 2024-09-18T18:28:15.569Z

Reserved: 2023-05-03T20:10:47.060Z

Link: CVE-2023-32148

cve-icon Vulnrichment

Updated: 2024-08-02T15:10:23.629Z

cve-icon NVD

Status : Analyzed

Published: 2024-05-03T02:15:18.940

Modified: 2025-08-06T14:18:05.350

Link: CVE-2023-32148

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses