ZDI-21-204: D-Link DAP-2020 WEB_CmdFileList Command Injection Remote Code Execution Vulnerability

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-2020 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.

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

• agent/references
• agent/severity
• agent/type
• agent/event
• agent/title
• agent/description
• agent/softwarecombine
• agent/tags
• collector/zdi-advisory
• source/ZDI
• alias/ZDI-21-204
• alias/ZDI-CAN-11369
• alias/CVE-2021-27249
• agent/software-canonical-lookup
• vendor/d-link
• canonical/d-link dap-2020