Which versions of D-Link DNS-327L are affected by EUVD-2026-68483?

D-Link DNS-327L and DNS-340L NAS devices across all current firmware versions contain an authenticated command injection vulnerability enabling remote attackers to achieve full operating system…

Is there a public PoC exploit available for EUVD-2026-68483?

Yes, a public proof-of-concept exploit is available for EUVD-2026-68483. Prioritise patching immediately. EPSS: 2.1%.

How to fix or mitigate EUVD-2026-68483?

Within 24 hours, inventory all D-Link DNS-327L and DNS-340L deployments and immediately restrict network access to the management interface using firewall rules or network segmentation-limit access to authorized administrator IP ranges and trusted networks only. Within 7 days, disable or isolate the affected /cgi-bin/ve_mgr.cgi endpoint if technically feasible, and implement comprehensive logging and monitoring to detect exploitation attempts (particularly malformed f_dev parameters). Within 30 days, initiate vendor communication to obtain patch timeline estimates, conduct a business case for migration to alternative NAS platforms, and if affected devices must remain operational, maintain strict network isolation and consider temporary offline backup to minimize exposure to data exfiltration.

D-Link DNS-327L EUVD-2026-68483

Q: What is the CVSS score of EUVD-2026-68483?

EUVD-2026-68483 has a CVSS 4.0 base score of 8.5 (High). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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: 2.1%.

| CVE-2026-82690 HIGH

OS Command Injection (CWE-78)

2026-08-31 VulDB

GHSA-qg4g-6r7x-83jv

Command Injection D-Link Dns 327l Dns 340l D-Link

8.5

CVSS 4.0 · Vendor: VulDB

Severity by source

Vendor (VulDB) PRIMARY

8.5 CRITICAL

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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

vuln.today AI

9.1 CRITICAL

Administrative authentication required (PR:H); CGI command injection escapes application scope to underlying OS (S:C); full confidentiality, integrity, and availability compromise of device and hosted data.

3.1 AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

4.0 AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Primary rating from Vendor (VulDB).

CVSS VectorVendor: VulDB

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Lifecycle Timeline

POC Analysis Generated

Aug 31, 2026 - 15:24 vuln.today

Analysis Updated

Aug 31, 2026 - 12:31 vuln.today

v2 (cvss_changed)

Re-analysis Queued

Aug 31, 2026 - 12:22 vuln.today

cvss_changed

Severity Changed

Aug 31, 2026 - 12:22 NVD

CRITICAL HIGH

CVSS changed

Aug 31, 2026 - 12:22 NVD

9.4 (CRITICAL) 8.5 (HIGH)

Analysis Generated

Aug 31, 2026 - 12:16 vuln.today

CVE Published

Aug 31, 2026 - 11:30 cve.org

CRITICAL 9.4

DescriptionCVE.org

A flaw has been found in D-Link DNS-327L and DNS-340L up to 20260717. Affected by this vulnerability is an unknown functionality of the file /cgi-bin/ve_mgr.cgi. This manipulation of the argument f_dev causes os command injection. The attack is possible to be carried out remotely. The exploit has been published and may be used.

Articles & Coverage 2

News 6 New D-Link Vulnerabilities - 6 High Severity, All With POC Sep 01, 2026 News 8 New D-Link Vulnerabilities - 8 High Severity, 7 With POC Aug 31, 2026

AnalysisAI

OS command injection in D-Link DNS-327L and DNS-340L NAS devices (all firmware versions through 20260717) allows a remote authenticated attacker to execute arbitrary operating system commands by supplying crafted input to the f_dev parameter of the /cgi-bin/ve_mgr.cgi endpoint. A proof-of-concept exploit is publicly available, materially lowering the barrier for post-authentication abuse. …

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Vulnerability AssessmentAI

Exploitation	Exploitation requires an active authenticated session with administrative privileges on the device's web management interface, as confirmed by PR:H in the CVSS 4.0 vector. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment	The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:H/UI:N) yields a base score of 8.5, reflecting severe impact tempered by the administrative privilege requirement (PR:H). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario	Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation	No specific patched firmware version is confirmed in the available intelligence; check https://www.dlink.com/ for firmware releases targeting DNS-327L and DNS-340L after build date 20260717. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, inventory all D-Link DNS-327L and DNS-340L deployments and immediately restrict network access to the management interface using firewall rules or network segmentation-limit access to authorized administrator IP ranges and trusted networks only. …

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