ZDI-CAN-11369: 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.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| D-Link DAP-2020 |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-CAN-11369?
The severity of ZDI-CAN-11369 is classified as critical due to the potential for arbitrary code execution without authentication.
How do I fix ZDI-CAN-11369?
To fix ZDI-CAN-11369, update the D-Link DAP-2020 to the latest firmware version provided by D-Link.
Who is affected by ZDI-CAN-11369?
Users of D-Link DAP-2020 Wi-Fi access points are affected by ZDI-CAN-11369.
What type of attackers can exploit ZDI-CAN-11369?
Network-adjacent attackers can exploit ZDI-CAN-11369 due to the lack of authentication requirements in the vulnerability.
What action should I take if my D-Link DAP-2020 is vulnerable to ZDI-CAN-11369?
If your D-Link DAP-2020 is vulnerable to ZDI-CAN-11369, it is crucial to immediately apply the recommended firmware update to mitigate risk.
- agent/references
- agent/softwarecombine
- collector/zdi-advisory
- source/ZDI
- alias/ZDI-21-204
- alias/ZDI-CAN-11369
- alias/CVE-2021-27249
- agent/software-canonical-lookup
- agent/severity
- agent/title
- agent/type
- agent/description
- agent/event
- agent/tags
- agent/source
- vendor/d-link
- canonical/d-link dap-2020