What’s Vulnerable › Vulnerabilities

CVE-2023-50199: D-Link G416 httpd Missing Authentication for Critical Function Remote Code Execution Vulnerability

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-05-03 · updated 2026-06-17
• Weakness: CWE-306

Description

D-Link G416 httpd Missing Authentication for Critical Function Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to bypass authentication 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 authentication prior to allowing access to functionality. An attacker can leverage this vulnerability to gain access to critical functions on the device. Was ZDI-CAN-21287.

Affected products

• D-Link G416: before 1.09b01 — fixed in 1.09b01

How to fix

Upgrade to a fixed version: D-Link G416 1.09b01. Check the vendor advisory for mitigations.

References

• https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10367
• https://www.zerodayinitiative.com/advisories/ZDI-23-1815/
• https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10367
• https://www.zerodayinitiative.com/advisories/ZDI-23-1815/

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