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High severity8.8NVD Advisory· Published Apr 14, 2021· Updated Jun 17, 2026

CVE-2021-27249

CVE-2021-27249

Description

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-2020 v1.01rc001 Wi-Fi access points. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of CGI scripts. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-11369.

AI Insight

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

Affected products

3
  • Dlink/Dap 2020 Firmware
    cpe:2.3:o:dlink:dap-2020_firmware:1.01:rc001:*:*:*:*:*:*
  • Dlink/DAP-2020llm-create2 versions
    = 1.01rc001+ 1 more
    • (no CPE)range: = 1.01rc001
    • (no CPE)range: v1.01rc001

Patches

Vulnerability mechanics

References

2

News mentions

0

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