CVEvulnerability

CVE-2022-43622

8.8 HIGH Published 2023-03-29 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2023-03-29
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
8.8 HIGH — CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 3.0 ([email protected])
8.8 HIGH — CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-121

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.

Affected configurations

• dlink dir-1935 firmware (<= 1.02) • dlink dir-1935 firmware 1.03

Related

Weakness · CWE (1)

  • CWE-121 Stack-based Buffer Overflow weakness

References