CVE-2026-4194

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. The impacted element is the function cgi_set_wto of the file /cgi-bin/system_mgr.cgi. Performing a manipulation results in improper access controls. Remote exploitation of the attack is possible. The exploit is now public and may be used.
References
Link Resource
https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_96/96.md Exploit Third Party Advisory
https://vuldb.com/?ctiid.351106 Permissions Required VDB Entry
https://vuldb.com/?id.351106 Third Party Advisory VDB Entry
https://vuldb.com/?submit.769853 Third Party Advisory VDB Entry
https://www.dlink.com/ Product
Configurations

Configuration 1 (hide)

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

Configuration 2 (hide)

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

Configuration 3 (hide)

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

Configuration 4 (hide)

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

Configuration 5 (hide)

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

Configuration 6 (hide)

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

Configuration 7 (hide)

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

Configuration 8 (hide)

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

Configuration 9 (hide)

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

Configuration 10 (hide)

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

Configuration 11 (hide)

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

Configuration 12 (hide)

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

Configuration 13 (hide)

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

Configuration 14 (hide)

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

Configuration 15 (hide)

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

Configuration 16 (hide)

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

Configuration 17 (hide)

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

Configuration 18 (hide)

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

Configuration 19 (hide)

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

Configuration 20 (hide)

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

History

No history.

Information

Published : 2026-03-16 14:20

Updated : 2026-03-19 14:21


NVD link : CVE-2026-4194

Mitre link : CVE-2026-4194

CVE.ORG link : CVE-2026-4194


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-120
  • dns-340l
  • 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-266

Incorrect Privilege Assignment

CWE-284

Improper Access Control