The vulnerability in the script /cgi-bin/gui_mgr.cgi of the D-Link DNS-120, DNR-202L, DNS-315L, DNS-320, DNS-320L, DNS-320LW, DNS-321, DNR-322L, DNS-323, DNS-325, DNS-326, DNS-327L, DNR-326, DNS-340L, DNS-343, DNS-345, DNS-726-4, DNS-1100-4, DNS-1200-05, and DNS-1550-04, allows a hacker to execute arbitrary commands.

The vulnerability of the /cgi-bin/guimgr.cgi microprogramming software for D-Link devices such as DNS-120, DNR-202L, DNS-315L, DNS-320, DNS-320L, DNS-320LW, DNS-321, DNR-322L, DNS-323, DNS-325, DNS-326, DNS-327L, DNR-326, DNS-340L, DNS-343, DNS-345, DNS-726-4, DNS-1100-4, DNS-1200-05, and...

CVE-2026-4204

A flaw has been found in D-Link DNS-120, DNR-202L, DNS-315L, DNS-320, DNS-320L, DNS-320LW, DNS-321, DNR-322L, DNS-323, DNS-325, DNS-326, DNS-327L, DNR-326, DNS-340L, DNS-343, DNS-345, DNS-726-4, DNS-1100-4, DNS-1200-05 and DNS-1550-04 up to 20260205. The affected element is the function...

CVE-2026-4204

Affected products: D-Link DNS-120, DNR-202L, DNS-315L, DNS-320/320L/320LW, DNS-321, DNR-322L, DNS-323, DNS-325/326/327L, DNR-326, DNS-340L, DNS-343, DNS-345, DNS-726-4, DNS-1100-4, DNS-1200-05, DNS-1550-04. Root cause: The CGI endpoints in /cgi-bin/gui_mgr.cgi (cgi_myfavorite_add/…/cgi_mycloud_au...