CVE-2021-27249
HIGHD-Link DAP-2020 v1.01rc001 - Unauthenticated OS Command Injection via CGI Script Processing
Title source: llmDescription
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.
References (2)
Core 2
Core References
Patch, Vendor Advisory x_refsource_misc
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10201
Third Party Advisory, VDB Entry x_refsource_misc
https://www.zerodayinitiative.com/advisories/ZDI-21-204/
Scores
CVSS v3
8.8
EPSS
0.0580
EPSS Percentile
90.6%
Attack Vector
ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-78
Status
published
Products (1)
dlink/dap-2020_firmware
1.01 rc001
Published
Apr 14, 2021
Tracked Since
Feb 18, 2026