ZDI-23-1820: D-Link G416 flupl pythonapp Command Injection Remote Code Execution Vulnerability

Published Dec 20, 2023
·
Updated

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link G416 wireless routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the HTTP service listening on TCP port 80. 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.

Other sources

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link G416 wireless routers. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 8.8. The following CVEs are assigned: CVE-2023-50204.

Affected Software

1 affected component
D-Link G416

Event History

Dec 20, 2023
Advisory Published
06:00 AM
Data Sourced
06:00 AM
Description
May 3, 2024
Advisory Published
via ZDI·02:34 AM
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Frequently Asked Questions

1

What is the severity of ZDI-23-1820?

The severity of ZDI-23-1820 is considered critical due to the potential for remote code execution.

2

How do I fix ZDI-23-1820?

To fix ZDI-23-1820, update your D-Link G416 router firmware to the latest version provided by the manufacturer.

3

Who is affected by ZDI-23-1820?

D-Link G416 wireless router users are affected by the ZDI-23-1820 vulnerability.

4

What kind of attacks can be executed due to ZDI-23-1820?

Attackers can execute arbitrary code remotely due to ZDI-23-1820 without the need for authentication.

5

Which component is vulnerable in ZDI-23-1820?

The HTTP service listening on TCP port 80 is the specific component that is vulnerable in ZDI-23-1820.

Contact

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