CVE-2022-43621
HIGHD-Link DIR-1935 Firmware < 1.02 - Unauthenticated Authentication Bypass via HNAP Login Request
Title source: llmDescription
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.
References (2)
Core 2
Core References
Patch, Vendor Advisory
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10310
Third Party Advisory, VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-22-1503/
Scores
CVSS v3
8.8
EPSS
0.0217
EPSS Percentile
79.9%
Attack Vector
ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-697
Status
published
Products (2)
dlink/dir-1935_firmware
1.03 b1 (2 CPE variants)
dlink/dir-1935_firmware
< 1.02
Published
Mar 29, 2023
Tracked Since
Feb 18, 2026