ZDI-23-1817: D-Link G416 cfgsave upusb Command Injection Remote Code Execution Vulnerability
First published: Wed Dec 20 2023(Updated: )
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link G416 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.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| D-Link G416 |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-23-1817?
The severity of ZDI-23-1817 is critical due to the potential for arbitrary code execution.
How do I fix ZDI-23-1817?
To fix ZDI-23-1817, update the D-Link G416 router to the latest firmware provided by D-Link.
What does ZDI-23-1817 affect?
ZDI-23-1817 affects D-Link G416 routers that have the HTTP service enabled.
Can ZDI-23-1817 be exploited remotely?
Yes, ZDI-23-1817 can be exploited by network-adjacent attackers without authentication.
What type of vulnerability is ZDI-23-1817?
ZDI-23-1817 is an arbitrary code execution vulnerability within the HTTP service.
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