Advisory Details

December 20th, 2023

D-Link G416 ovpncfg Stack-based Buffer Overflow Remote Code Execution Vulnerability

CVE ID	CVE-2023-50208
CVSS SCORE	8.8, AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS	D-Link
AFFECTED PRODUCTS	G416
VULNERABILITY DETAILS	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 the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root.
ADDITIONAL DETAILS	D-Link has issued an update to correct this vulnerability. More details can be found at: https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10367
DISCLOSURE TIMELINE	2023-07-14 - Vulnerability reported to vendor 2023-12-20 - Coordinated public release of advisory
CREDIT	Sina Kheirkhah (@SinSinology) of Summoning Team (@SummoningTeam)

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