CVE-2026-4196

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.
References
Link Resource
https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_98/98.md Exploit Third Party Advisory
https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_99/99.md Exploit Third Party Advisory
https://vuldb.com/?ctiid.351108 Permissions Required VDB Entry
https://vuldb.com/?id.351108 Third Party Advisory VDB Entry
https://vuldb.com/?submit.769855 Third Party Advisory VDB Entry
https://vuldb.com/?submit.769856 Third Party Advisory VDB Entry
https://vuldb.com/?submit.769857 Third Party Advisory VDB Entry
https://vuldb.com/?submit.769858 Third Party Advisory VDB Entry
https://www.dlink.com/ Product
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:dlink:dns-1550-04_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-1550-04:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND
cpe:2.3:o:dlink:dns-315l_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-315l:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND
cpe:2.3:o:dlink:dns-320_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-320:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND
cpe:2.3:o:dlink:dns-320l_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-320l:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND
cpe:2.3:o:dlink:dns-320lw_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-320lw:-:*:*:*:*:*:*:*

Configuration 6 (hide)

AND
cpe:2.3:o:dlink:dns-321_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-321:-:*:*:*:*:*:*:*

Configuration 7 (hide)

AND
cpe:2.3:o:dlink:dns-322l_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-322l:-:*:*:*:*:*:*:*

Configuration 8 (hide)

AND
cpe:2.3:o:dlink:dns-323_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-323:-:*:*:*:*:*:*:*

Configuration 9 (hide)

AND
cpe:2.3:o:dlink:dns-325_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-325:-:*:*:*:*:*:*:*

Configuration 10 (hide)

AND
cpe:2.3:o:dlink:dns-326_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-326:-:*:*:*:*:*:*:*

Configuration 11 (hide)

AND
cpe:2.3:o:dlink:dns-327l_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-327l:-:*:*:*:*:*:*:*

Configuration 12 (hide)

AND
cpe:2.3:o:dlink:dns-340l_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-340l:-:*:*:*:*:*:*:*

Configuration 13 (hide)

AND
cpe:2.3:o:dlink:dns-343_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-343:-:*:*:*:*:*:*:*

Configuration 14 (hide)

AND
cpe:2.3:o:dlink:dns-345_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-345:-:*:*:*:*:*:*:*

Configuration 15 (hide)

AND
cpe:2.3:o:dlink:dns-726-4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-726-4:-:*:*:*:*:*:*:*

Configuration 16 (hide)

AND
cpe:2.3:o:dlink:dnr-202l_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dnr-202l:-:*:*:*:*:*:*:*

Configuration 17 (hide)

AND
cpe:2.3:o:dlink:dnr-326_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dnr-326:-:*:*:*:*:*:*:*

Configuration 18 (hide)

AND
cpe:2.3:o:dlink:dns-1100-4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-1100-4:-:*:*:*:*:*:*:*

Configuration 19 (hide)

AND
cpe:2.3:o:dlink:dns-120_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-120:-:*:*:*:*:*:*:*

Configuration 20 (hide)

AND
cpe:2.3:o:dlink:dns-1200-05_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dns-1200-05:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-03-16 14:20

Updated : 2026-03-19 14:22


NVD link : CVE-2026-4196

Mitre link : CVE-2026-4196

CVE.ORG link : CVE-2026-4196


JSON object : View

Products Affected

dlink

  • dns-1100-4
  • dnr-326_firmware
  • dns-315l
  • dns-726-4
  • dns-321_firmware
  • dns-321
  • dns-345
  • dns-345_firmware
  • dns-726-4_firmware
  • dns-320lw_firmware
  • dns-320l
  • dns-340l_firmware
  • dnr-202l
  • dnr-326
  • dns-343_firmware
  • dns-320lw
  • dns-322l
  • dns-340l
  • dns-120
  • dns-1100-4_firmware
  • dns-325_firmware
  • dns-322l_firmware
  • dns-1200-05
  • dns-323_firmware
  • dns-320_firmware
  • dns-326_firmware
  • dns-325
  • dns-343
  • dns-320l_firmware
  • dns-315l_firmware
  • dns-320
  • dns-1550-04_firmware
  • dns-323
  • dns-327l_firmware
  • dns-327l
  • dns-326
  • dnr-202l_firmware
  • dns-120_firmware
  • dns-1550-04
  • dns-1200-05_firmware
CWE
CWE-74

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

CWE-77

Improper Neutralization of Special Elements used in a Command ('Command Injection')