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

CVE-2021-34830

CVE-2021-34830

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 Cookie 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 stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the device. Was ZDI-CAN-12028.

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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