CVE-2022-43622
HIGHD-Link DIR-1935 < 1.03 - Unauthenticated Stack-based Buffer Overflow via HNAP_AUTH Header
Title source: llmDescription
This vulnerability allows network-adjacent attackers to execute arbitrary code 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 Login requests to the web management portal. When parsing the HNAP_AUTH header, the process does not properly validate the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-16139.
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-22-1491/
Scores
CVSS v3
8.8
EPSS
0.0107
EPSS Percentile
78.0%
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-121
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