CVE-2026-4211

CVE-2026-4211 affects multiple D‑Link NAS models (DNS-120, DNS-320/320L/320LW/321/325/326/327L, DNS-343/345, DNS-726-4, DNS-1100-4, DNS-1200-05, DNS-1550-04, DNR-202L, etc.). The issue is in the function Local_Backup_Info of the file /cgi-bin/local_backup_mgr.cgi, where manipulation of the f_idx ...