CVE-2026-4204

Published: Mar 16, 2026

Modified: Mar 16, 2026

PUBLISHED

CVSS v3.1

6.3

MEDIUM

Description

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 cgi_myfavorite_add/cgi_myfavorite_set/cgi_myfavorite_del/cgi_myfavorite_set_sort_info/cgi_myfavorite_remove_apkg/cgi_myfavorite_compare_apkg/cgi_mycloud_auto_downlaod of the file /cgi-bin/gui_mgr.cgi. This manipulation of the argument f_user causes command injection. Remote exploitation of the attack is possible. The exploit has been published and may be used.

Vendor	Product	Versions
D-Link	DNS-120	affected `20260205`
D-Link	DNR-202L	affected `20260205`
D-Link	DNS-315L	affected `20260205`
D-Link	DNS-320	affected `20260205`
D-Link	DNS-320L	affected `20260205`
D-Link	DNS-320LW	affected `20260205`
D-Link	DNS-321	affected `20260205`
D-Link	DNR-322L	affected `20260205`
D-Link	DNS-323	affected `20260205`
D-Link	DNS-325	affected `20260205`
D-Link	DNS-326	affected `20260205`
D-Link	DNS-327L	affected `20260205`
D-Link	DNR-326	affected `20260205`
D-Link	DNS-340L	affected `20260205`
D-Link	DNS-343	affected `20260205`
D-Link	DNS-345	affected `20260205`
D-Link	DNS-726-4	affected `20260205`
D-Link	DNS-1100-4	affected `20260205`
D-Link	DNS-1200-05	affected `20260205`
D-Link	DNS-1550-04	affected `20260205`