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CVE PROGRAM SOURCE RECORD5.3 Medium

CVE-2026-4205

D-Link DNS-1550-04 app_mgr.cgi FTP_Server_BlockIP_Del command injection

Description

A vulnerability 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 impacted element is the function cgi_refresh_db/FTP_Server_BlockIP_Add/FTP_Server_BlockIP_Del of the file /cgi-bin/app_mgr.cgi. Such manipulation leads to command injection. The attack can be executed remotely. The exploit has been disclosed to the public and may be used.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

D-Link DNS-120

  • 20260205affected

D-Link DNR-202L

  • 20260205affected

D-Link DNS-315L

  • 20260205affected

D-Link DNS-320

  • 20260205affected

D-Link DNS-320L

  • 20260205affected

D-Link DNS-320LW

  • 20260205affected

D-Link DNS-321

  • 20260205affected

D-Link DNR-322L

  • 20260205affected

D-Link DNS-323

  • 20260205affected

D-Link DNS-325

  • 20260205affected

D-Link DNS-326

  • 20260205affected

D-Link DNS-327L

  • 20260205affected

D-Link DNR-326

  • 20260205affected

D-Link DNS-340L

  • 20260205affected

D-Link DNS-343

  • 20260205affected

D-Link DNS-345

  • 20260205affected

D-Link DNS-726-4

  • 20260205affected

D-Link DNS-1100-4

  • 20260205affected

D-Link DNS-1200-05

  • 20260205affected

D-Link DNS-1550-04

  • 20260205affected

References