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 ...

CVE-2026-4211 D-Link DNS-1550-04 local_backup_mgr.cgi Local_Backup_Info stack-based overflow

A weakness has been identified 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. Affected by this issue is the functio...

CVE-2026-4211 D-Link DNS-1550-04 local_backup_mgr.cgi Local_Backup_Info stack-based overflow

A weakness has been identified 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. Affected by this issue is the functio...

CVE-2026-4210 D-Link DNS-1550-04 time_machine.cgi cgi_tm_set_share command injection

A security flaw has been discovered 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. Affected by this vulnerability i...

CVE-2026-4210 D-Link DNS-1550-04 time_machine.cgi cgi_tm_set_share command injection

A security flaw has been discovered 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. Affected by this vulnerability i...

CVE-2026-4210

A security flaw has been discovered 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. Affected by this vulnerability i...

CVE-2026-4210

CVE-2026-4210 affects D-Link DNS-120, DNR-202L, DNS-315L, DNS-320/320L/320LW/321, DNR-322L, DNS-323/325/326/327L, DNR-326, DNS-340L/343/345, DNS-726-4, DNS-1100-4, DNS-1200-05 and DNS-1550-04. The vulnerability targets the function cgi_tm_set_share in /cgi-bin/time_machine.cgi, where manipulating...

CVE-2026-4209 D-Link DNS-1550-04 account_mgr.cgi cgi_chg_admin_pw command injection

A vulnerability was identified 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. Affected is the function...

CVE-2026-4209

CVE-2026-4209 affects D-Link NAS devices (DNS-120, DNR-202L, DNS-315L, DNS-320/320L/320LW/321, DNR-322L, DNS-323/325/326/327L, DNR-326, DNS-340L/343/345, DNS-726-4, DNS-1100-4, DNS-1200-05, DNS-1550-04). The root cause is command injection in the CGI handling functions inside /cgi-bin/account_mgr...

CVE-2026-4209

A vulnerability was identified 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. Affected is the function...

CVE-2026-4207 D-Link DNS-1550-04 system_mgr.cgi cgi_ntp_time command injection

A vulnerability was determined 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...

CVE-2026-4207

A vulnerability was determined 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...

CVE-2026-4207 D-Link DNS-1550-04 system_mgr.cgi cgi_ntp_time command injection

A vulnerability was determined 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...

CVE-2026-4207

CVE-2026-4207 affects D-Link DNS-120 family devices (DNS-120, DNS-1200-04/05, DNS-1550-04, and related models) and various DNS-DNR units. The vulnerability targets /cgi-bin/system_mgr.cgi in the cgi_sms_test/cgi_firmware_upload/cgi_ntp_time path, impacting the function cgi_device/cgi_sms_test/cgi...

CVE-2026-4206 D-Link DNS-1550-04 dsk_mgr.cgi ScanDisk_run_e2fsck command injection

A vulnerability was 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 affects the function...

CVE-2026-4206

CVE-2026-4206 describes a remote command-injection flaw in multiple D-Link NAS/DVR devices (DNS-120 series, DNS-320/321/325/326/327L, DNS-340L, DNS-343/345, DNS-1100-4, DNS-1200-05, DNS-1550-04, DNR/DNS variants) affecting the disk-management CGI endpoint /cgi-bin/dsk_mgr.cgi. The vulnerability t...

CVE-2026-4205

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...

CVE-2026-4205 D-Link DNS-1550-04 app_mgr.cgi FTP_Server_BlockIP_Del command injection

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...

CVE-2026-4204 D-Link DNS-1550-04 gui_mgr.cgi cgi_mycloud_auto_downlaod command injection

A flaw 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 affected element is the function...

CVE-2026-4204 D-Link DNS-1550-04 gui_mgr.cgi cgi_mycloud_auto_downlaod command injection

A flaw 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 affected element is the function...