CVE Vulnerabilities

CVE-2022-43621

Incorrect Comparison

Published: Mar 29, 2023 | Modified: Nov 21, 2024
CVSS 3.x
8.8
HIGH
Source:
NVD
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
RedHat/V2
RedHat/V3
Ubuntu
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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.

Weakness

The product compares two entities in a security-relevant context, but the comparison is incorrect.

Affected Software

NameVendorStart VersionEnd Version
Dir-1935_firmwareDlink*1.02 (including)
Dir-1935_firmwareDlink1.03-b1 (including)1.03-b1 (including)
Dir-1935_firmwareDlink1.03-b2 (including)1.03-b2 (including)

Extended Description

This Pillar covers several possibilities:

References