CVE-2023-34282

D-Link DIR-2150 HNAP Incorrect Implementation of Authentication Algorithm Authentication Bypass Vulnerability

Published May 3, 2024 CVSS 3.1 · 8.8 High EPSS 1.1% KEV · Not listed
Description
D-Link DIR-2150 HNAP Incorrect Implementation of Authentication Algorithm Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-2150 routers. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the SOAP API interface, which listens on TCP port 80 by default. A crafted authentication header can cause authentication to succeed without providing proper credentials. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-20910.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-38363 D-Link DIR-2150 HNAP Incorrect Implementation of Authentication Algorithm Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-2150 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the SOAP API interface, which listens on TCP port 80 by default. A crafted authentication header can cause authentication to succeed without providing proper credentials. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-20910.
History
Type Values Removed Values Added
First Time appeared Dlink
Dlink dir-2150
Dlink dir-2150 Firmware
Weaknesses NVD-CWE-Other
CPEs cpe:2.3:h:dlink:dir-2150:-:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dir-2150_firmware:*:*:*:*:*:*:*:*
Vendors & Products Dlink
Dlink dir-2150
Dlink dir-2150 Firmware
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
zdi
Published
Updated
Aug 2, 2024, 4:10 PM
Reserved
May 31, 2023, 7:51 PM
Status
Analyzed
Published
May 3, 2024, 2:15 AM
Modified
Jun 17, 2026, 6:03 AM