NetSight
high8.8

CVE-2026-4213

A vulnerability was detected 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-3…

Impact

A vulnerability was detected 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 vulnerability affects the function cgi_myfavorite_del_user/cgi_myfavorite_verify of the file /cgi-bin/gui_mgr.cgi. Performing a manipulation results in stack-based buffer overflow. The attack may be initiated remotely. The exploit is now public and may be used.

Affected products

VendorProductAffected versions
DlinkDnr-202l Firmware
through 2026-02-05
DlinkDnr-326 Firmware
through 2026-02-05
DlinkDns-1100-4 Firmware
through 2026-02-05
DlinkDns-120 Firmware
through 2026-02-05
DlinkDns-1200-05 Firmware
through 2026-02-05
DlinkDns-1550-04 Firmware
through 2026-02-05
DlinkDns-315l Firmware
through 2026-02-05
DlinkDns-320 Firmware
through 2026-02-05
DlinkDns-320l Firmware
through 2026-02-05
DlinkDns-320lw Firmware
through 2026-02-05
DlinkDns-321 Firmware
through 2026-02-05
DlinkDns-322l Firmware
through 2026-02-05

Weakness classification

References