EUVD-2026-12277

| CVE-2026-4204 MEDIUM
2026-03-16 VulDB
6.3
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

Lifecycle Timeline

4
PoC Detected
Mar 16, 2026 - 14:53 vuln.today
Public exploit code
Analysis Generated
Mar 16, 2026 - 02:00 vuln.today
EUVD ID Assigned
Mar 16, 2026 - 02:00 euvd
EUVD-2026-12277
CVE Published
Mar 16, 2026 - 01:02 nvd
MEDIUM 6.3

Description

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_myfavorite_add/cgi_myfavorite_set/cgi_myfavorite_del/cgi_myfavorite_set_sort_info/cgi_myfavorite_remove_apkg/cgi_myfavorite_compare_apkg/cgi_mycloud_auto_downlaod of the file /cgi-bin/gui_mgr.cgi. This manipulation of the argument f_user causes command injection. Remote exploitation of the attack is possible. The exploit has been published and may be used.

Analysis

A security vulnerability in A flaw (CVSS 6.3). Risk factors: public PoC available.

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Remediation

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Validate input sanitization for user-controlled parameters.

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Priority Score

52
Low Medium High Critical
KEV: 0
EPSS: +0.5
CVSS: +32
POC: +20

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EUVD-2026-12277 vulnerability details – vuln.today

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