CVE-2026-8346: D-Link DIR-816 portForward command injection

Published May 11, 2026

Updated

A vulnerability was detected in D-Link DIR-816 1.10CNB05_R1B011D88210. This affects the function portForward. Performing a manipulation of the argument ip_address results in command injection. The attack can be initiated remotely. The exploit is now public and may be used.

Affected Software

3 affected components

D-Link DIR-816=1.10CNB05_R1B011D88210

All of the following

Dlink Dir-816 Firmware=1.10cnb05_r1b011d88210

Dlink DIR-816=a2

Event History

May 11, 2026

CVE Published

via MITRE·11:15 PM

Data Sourced

via MITRE·11:15 PM

DescriptionSeverityWeakness

May 12, 2026

Data Sourced

via NVD·12:17 AM

DescriptionSeverityWeaknessAffected Software

Feb 22, 58334

Event

via FIRST·09:31 PM

Frequently Asked Questions

What is the severity of CVE-2026-8346?

CVE-2026-8346 is considered a high-severity vulnerability due to its potential for remote command injection.

How do I fix CVE-2026-8346?

To fix CVE-2026-8346, update the D-Link DIR-816 router firmware to the latest version that addresses this vulnerability.

Who is affected by CVE-2026-8346?

CVE-2026-8346 affects users of the D-Link DIR-816 router with firmware version 1.10CNB05_R1B011D88210.

What can an attacker do with CVE-2026-8346?

An attacker can exploit CVE-2026-8346 to perform remote command injection through the portForward function.

Is there a workaround for CVE-2026-8346?

A potential workaround for CVE-2026-8346 is to disable remote management features until a firmware update is applied.

CVSS Score

6.3Medium

Medium Severity

AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

Security Metrics

Risk Score56

Severitylow(2.1)

EPSS0.089%

CWE

7774

Timeline

PublishedMay 11, 2026

Updated

References

Company

Resources

Contact

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