CVE-2021-27250

MEDIUM
6.5
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
MEDIUM6.5
Exploit prediction
EPSS 67%

Description

This vulnerability allows network-adjacent attackers to disclose sensitive information 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. When parsing the errorpage request parameter, the process does not properly validate a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise. Was ZDI-CAN-11856.

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
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-73

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