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

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-2026-4207 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

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-2026-4207 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-2026-4206 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 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-2026-4205

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-2026-4204 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

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...

CVE-2026-4203

Summary (CVE-2026-4203): A command-injection vulnerability affects multiple D-Link DNS-series devices (e.g., DNS-120, DNS-320, DNS-1550-04, etc.) via /cgi-bin/network_mgr.cgi in functions including cgi_portforwarding_add/del/modify/add_scan, cgi_dhcpd_lease, cgi_ddns, cgi_ip, and cgi_dhcpd. The i...

CVE-2026-4203 D-Link DNS-1550-04 network_mgr.cgi cgi_dhcpd command injection

A vulnerability was 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. Impacted is the function...

CVE-2026-4203 D-Link DNS-1550-04 network_mgr.cgi cgi_dhcpd command injection

A vulnerability was 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. Impacted is the function...

PT-2026-25610

A vulnerability was 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 vulnerability affects the function...

PT-2026-25584

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 cgi...

PT-2026-25585

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...