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High severity8.8NVD Advisory· Published Jul 15, 2021· Updated Jun 17, 2026

CVE-2021-34829

CVE-2021-34829

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Dlink/Dap 1330 Firmware
    cpe:2.3:o:dlink:dap-1330_firmware:1.13b01:beta:*:*:*:*:*:*
  • Dlink/DAP-1330llm-create2 versions
    1.13B01 BETA+ 1 more
    • (no CPE)range: 1.13B01 BETA
    • (no CPE)range: 1.13B01 BETA

Patches

Vulnerability mechanics

References

1

News mentions

0

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