A vulnerability was found in D-Link G416 (the affected version unknown). It has been declared as critical. This vulnerability affects an unknown part of the component cfgsave. The manipulation with an unknown input leads to a command injection vulnerability. The CWE definition for the vulnerability is CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

D-Link G416 cfgsave backusb 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. Was ZDI-CAN-21288.

The weakness was shared 12/20/2023 as ZDI-23-1816. The advisory is shared for download at zerodayinitiative.com. This vulnerability was named CVE-2023-50200 since 12/05/2023. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 03/10/2025). The MITRE ATT&CK project declares the attack technique as T1202.

Upgrading eliminates this vulnerability.

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Vendor

• D-Link

Name

• G416

License

• commercial

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