CVE-2026-4207

| EUVD-2026-12287 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 - 04:00 vuln.today
EUVD ID Assigned
Mar 16, 2026 - 04:00 euvd
EUVD-2026-12287
CVE Published
Mar 16, 2026 - 02:32 nvd
MEDIUM 6.3

Tags

D-Link Command Injection RCE Dnr 322l Dns 325 Dns 343 Dns 320lw Dns 340l Dns 320l Dns 120 Dnr 326 Dns 1550 04 Dns 1200 05 Dnr 202l Dns 315l Dns 326 Dns 320 Dns 726 4 Dns 345 Dns 323 Dns 321 Dns 1100 4 Dns 327l

Description

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 cgi_device/cgi_sms_test/cgi_firmware_upload/cgi_ntp_time of the file /cgi-bin/system_mgr.cgi. Executing a manipulation can lead to command injection. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized.

Analysis

Command injection in D-Link NAS devices (DNS-320, DNS-325, DNS-343, DNR-322L and others) through the /cgi-bin/system_mgr.cgi interface allows authenticated remote attackers to execute arbitrary commands. Public exploit code exists for this vulnerability, and no patch is currently 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: +0.4
CVSS: +32
POC: +20

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CVE-2026-4207 vulnerability details – vuln.today
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