NetSight
high8.8

CVE-2026-4212

A security vulnerability has been 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, D…

Impact

A security vulnerability has been 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 affects the function Downloads_Schedule_Info of the file /cgi-bin/download_mgr.cgi. Such manipulation leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed publicly 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