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CVE-2022-43620 Details

Description

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-1935 1.03 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of HNAP login requests. The issue results from the lack of proper implementation of the authentication algorithm. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-16142.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:8.8 HIGHVector:CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CNA: [email protected]CVSS-B:8.8 HIGHVector:CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10310	CVE	PatchVendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-1494/	CVE	Third Party AdvisoryVDB Entry
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10310	[email protected]	PatchVendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-1494/	[email protected]	Third Party AdvisoryVDB Entry

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-287	Improper Authentication	[email protected]

Affected Products

Product	Versions
dlink dir-1935 firmware	<= 1.02 1.03 b1 1.03 b2
CPE cpe:2.3:o:dlink:dir-1935_firmware:::::::: cpe:2.3:o:dlink:dir-1935_firmware:1.03:b1:::::: cpe:2.3:o:dlink:dir-1935_firmware:1.03:b2:::::: Remediation No remediation found in references.
dlink dir-1935	All versions
CPE cpe:2.3:h:dlink:dir-1935:-:::::::* Remediation No remediation found in references.

Change History

9 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	CISA-ADP
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Nov 8, 2023	Reanalysis	[email protected]
Nov 8, 2023	CPE Deprecation Remap	[email protected]
Nov 8, 2023	CPE Deprecation Remap	[email protected]
Nov 8, 2023	CPE Deprecation Remap	[email protected]
Apr 6, 2023	Initial Analysis	[email protected]