Headline

CVE-2022-43621: ZDI-22-1503

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 an incorrectly implemented comparison. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-16152.

1 year ago

CVE

Open in Source

#vulnerability #auth #sap

November 3rd, 2022

D-Link DIR-1935 HNAP Incorrect Comparison Authentication Bypass Vulnerability****ZDI-22-1503
ZDI-CAN-16152

CVE ID

CVE-2022-43621

CVSS SCORE

8.8, (AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

AFFECTED VENDORS

D-Link

AFFECTED PRODUCTS

DIR-1935

VULNERABILITY DETAILS

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-1935 routers. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the handling of HNAP login requests. The issue results from an incorrectly implemented comparison. An attacker can leverage this vulnerability to bypass authentication on the system.

ADDITIONAL DETAILS

D-Link has issued an update to correct this vulnerability. More details can be found at:
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10310

DISCLOSURE TIMELINE