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CVE PROGRAM SOURCE RECORD5.3 Medium

CVE-2026-4196

D-Link DNS-1550-04 remote_backup.cgi cgi_set_rsync_server 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. This impacts the function cgi_recovery/cgi_backup_now/cgi_set_schedule/cgi_set_rsync_server of the file /cgi-bin/remote_backup.cgi. The manipulation leads to command injection. The attack is possible to be carried out 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