Advisory Details

December 28th, 2022

D-Link DIR-825/EE xupnpd Upload Command Injection Remote Code Execution Vulnerability

CVE ID	CVE-2022-43647
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	DIR-825
VULNERABILITY DETAILS	This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-825/EE routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the xupnpd service, which listens on TCP port 4044. 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 the admin user.
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=SAP10319
DISCLOSURE TIMELINE	2022-11-23 - Vulnerability reported to vendor 2022-12-28 - Coordinated public release of advisory
CREDIT	Dmitry "InfoSecDJ" Janushkevich of Trend Micro Zero Day Initiative

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