CVE-2022-43622

HIGH

D-Link DIR-1935 < 1.03 - Unauthenticated Stack-based Buffer Overflow via HNAP_AUTH Header

Title source: llm
STIX 2.1

Description

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

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