cbcvebase.
CVE-2026-4214
published 2026-03-16

CVE-2026-4214: 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…

high7.4CVSS 4.0
AVNACLATNPRLUINVCHVIHVAHSCNSINSANEPCRXIRXARXMAVXMACXMATXMPRXMUIXMVCXMVIXMVAXMSCXMSIXMSAXSXAUXRXVXREXUX
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. This issue affects the function UPnP_AV_Server_Path_Setting of the file /cgi-bin/app_mgr.cgi. Executing a manipulation can lead to stack-based buffer overflow. The attack may be launched remotely. The exploit has been published and may be used.

Affected

40 ranges· showing 25
VendorProductVersion rangeFixed in
d-linkdnr-202l
d-linkdnr-322l
d-linkdnr-326
d-linkdns-1100-4
d-linkdns-120
d-linkdns-1200-05
d-linkdns-1550-04
d-linkdns-315l
d-linkdns-320
d-linkdns-320l
d-linkdns-320lw
d-linkdns-321
d-linkdns-323
d-linkdns-325
d-linkdns-326
d-linkdns-327l
d-linkdns-340l
d-linkdns-343
d-linkdns-345
d-linkdns-726-4
dlinkdnr-202l_firmware<= 2026-02-05
dlinkdnr-326_firmware<= 2026-02-05
dlinkdns-1100-4_firmware<= 2026-02-05
dlinkdns-1200-05_firmware<= 2026-02-05
dlinkdns-120_firmware<= 2026-02-05