ZDI-CAN-21289: ZDI-23-1817: D-Link G416 cfgsave upusb Command Injection Remote Code Execution Vulnerability
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.
Other sources
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 ZDI has assigned a CVSS rating of 8.8. The following CVEs are assigned: CVE-2023-50201.
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-21289?
ZDI-CAN-21289 is considered a high severity vulnerability that allows remote code execution without authentication.
How do I fix ZDI-CAN-21289?
To fix ZDI-CAN-21289, you should update your D-Link G416 router to the latest firmware version provided by D-Link.
Who is affected by ZDI-CAN-21289?
ZDI-CAN-21289 affects all installations of D-Link G416 routers that have the vulnerable HTTP service enabled.
Can ZDI-CAN-21289 be exploited remotely?
Yes, ZDI-CAN-21289 can be exploited remotely by network-adjacent attackers through the HTTP service.
Is authentication required to exploit ZDI-CAN-21289?
No, authentication is not required to exploit ZDI-CAN-21289.