CVE-2026-4209

MEDIUM

6.3

Description

A vulnerability was identified 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. Affected is the function cgi_create_import_users/cgi_user_batch_create/cgi_user_set_quota/cgi_user_del/cgi_user_modify/cgi_group_set_quota/cgi_group_modify/cgi_group_add/cgi_user_add/cgi_get_modify_group_info/cgi_chg_admin_pw of the file /cgi-bin/account_mgr.cgi. The manipulation leads to command injection. It is possible to initiate the attack remotely. The exploit is publicly available and might be used.

CVE Details

CVSS v3.1 Score6.3

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published3/16/2026

Last Modified3/19/2026

Sourcenvd

Honeypot Sightings0

Affected Products

dlink:dnr-202ldlink:dnr-202l_firmwaredlink:dnr-326dlink:dnr-326_firmwaredlink:dns-1100-4dlink:dns-1100-4_firmwaredlink:dns-120dlink:dns-1200-05dlink:dns-1200-05_firmwaredlink:dns-120_firmwaredlink:dns-1550-04dlink:dns-1550-04_firmwaredlink:dns-315ldlink:dns-315l_firmwaredlink:dns-320dlink:dns-320_firmwaredlink:dns-320ldlink:dns-320l_firmwaredlink:dns-320lwdlink:dns-320lw_firmwaredlink:dns-321dlink:dns-321_firmwaredlink:dns-322ldlink:dns-322l_firmwaredlink:dns-323dlink:dns-323_firmwaredlink:dns-325dlink:dns-325_firmwaredlink:dns-326dlink:dns-326_firmwaredlink:dns-327ldlink:dns-327l_firmwaredlink:dns-340ldlink:dns-340l_firmwaredlink:dns-343dlink:dns-343_firmwaredlink:dns-345dlink:dns-345_firmwaredlink:dns-726-4dlink:dns-726-4_firmware