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.

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Workaround

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History

Tue, 17 Mar 2026 10:00:00 +0000

Type Values Removed Values Added
First Time appeared D-link
D-link dnr-202l
D-link dnr-322l
D-link dnr-326
D-link dns-1100-4
D-link dns-120
D-link dns-1200-05
D-link dns-1550-04
D-link dns-315l
D-link dns-320
D-link dns-320l
D-link dns-320lw
D-link dns-321
D-link dns-323
D-link dns-325
D-link dns-326
D-link dns-327l
D-link dns-340l
D-link dns-343
D-link dns-345
D-link dns-726-4
Vendors & Products D-link
D-link dnr-202l
D-link dnr-322l
D-link dnr-326
D-link dns-1100-4
D-link dns-120
D-link dns-1200-05
D-link dns-1550-04
D-link dns-315l
D-link dns-320
D-link dns-320l
D-link dns-320lw
D-link dns-321
D-link dns-323
D-link dns-325
D-link dns-326
D-link dns-327l
D-link dns-340l
D-link dns-343
D-link dns-345
D-link dns-726-4

Mon, 16 Mar 2026 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Sun, 15 Mar 2026 23:15:00 +0000

Type Values Removed Values Added
Description 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.
Title D-Link DNS-1550-04 system_mgr.cgi cgi_set_wto access control
Weaknesses CWE-266
CWE-284
References
Metrics cvssV2_0

{'score': 7.5, 'vector': 'AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:W/RC:UR'}

cvssV3_0

{'score': 7.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:W/RC:R'}

cvssV3_1

{'score': 7.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:W/RC:R'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-03-16T14:40:35.694Z

Reserved: 2026-03-15T08:22:37.852Z

Link: CVE-2026-4194

cve-icon Vulnrichment

Updated: 2026-03-16T14:36:48.942Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-03-16T14:20:03.150

Modified: 2026-03-16T14:53:07.390

Link: CVE-2026-4194

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-03-17T09:55:40Z

Weaknesses