VULNERABILITY INTELLIGENCE

CVE-2021-34829

CVSS score8.8 HIGH
EPSS probability2.33%
CISA KEVNot currently listed
Published2021-07-15
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-1330 1.13B01 BETA routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the HNAP_AUTH HTTP header. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length buffer. An attacker can leverage this vulnerability to execute code in the context of the device. Was ZDI-CAN-12065.

Weakness classification

  • zdi-disclosures@trendmicro.com: CWE-120

Primary references