CVE-2021-27249

HIGH
8.8
CVSS Score
Published: April 14, 2021 at 03:45 PM UTC
Updated: June 17, 2026 at 03:44 AM UTC
2 products affected across 1 vendorDap 2020 FirmwareDap-2020

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Severity
HIGH8.8
Exploit prediction
EPSS 5%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

dlink-dap-2020 (same device)
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
ADJACENT_NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-78

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