Which versions of D-Link are affected by CVE-2026-4206?

Organizations using A vulnerability should be aware of moderate risk from CVE-2026-4206, a command injection vulnerability rated CVSS 6.3.

Is there a public PoC exploit available for CVE-2026-4206?

Yes, a public proof-of-concept exploit is available for CVE-2026-4206. Prioritise patching immediately. EPSS: 0.4%.

How to fix or mitigate CVE-2026-4206?

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

D-Link CVE-2026-4206

Q: What is the CVSS score of CVE-2026-4206?

CVE-2026-4206 has a CVSS 4.0 base score of 2.1 (Low). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.4%.

EUVD-2026-12282 LOW

Command Injection (CWE-77)

2026-03-16 VulDB

D-Link Command Injection

2.1

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

2.1 LOW

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Lifecycle Timeline

Severity Changed

Apr 29, 2026 - 01:11 NVD

MEDIUM LOW

CVSS changed

Apr 29, 2026 - 01:11 NVD

6.3 (MEDIUM) 2.1 (LOW)

PoC Detected

Mar 16, 2026 - 14:53 vuln.today

Public exploit code

EUVD ID Assigned

Mar 16, 2026 - 03:00 euvd

EUVD-2026-12282

Analysis Generated

Mar 16, 2026 - 03:00 vuln.today

CVE Published

Mar 16, 2026 - 02:02 nvd

MEDIUM 6.3

DescriptionCVE.org

A vulnerability was 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 affects the function FMT_rebuild_diskmgr/FMT_create_diskmgr/ScanDisk_run_e2fsck of the file /cgi-bin/dsk_mgr.cgi. Performing a manipulation results in command injection. The attack is possible to be carried out remotely. The exploit has been made public and could be used.

AnalysisAI

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

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Vulnerability AssessmentAI

Risk Assessment	CVSS 6.3. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario	An attacker could exploit this vulnerability in A vulnerability to compromise the security of affected deployments, potentially impacting confidentiality, integrity, or availability.
Remediation	Monitor vendor channels for patch availability. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. …

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CVE-2026-4206 vulnerability details – vuln.today

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