CVE-2026-8345: D-Link DIR-816 singlePortForward sub_445E7C command injection

Published May 11, 2026

Updated

A security vulnerability has been detected in D-Link DIR-816 1.10CNB05_R1B011D88210. Affected by this issue is the function sub_445E7C of the file /goform/singlePortForward. Such manipulation of the argument ip_address leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed publicly 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·10:00 PM

Data Sourced

via MITRE·10:00 PM

DescriptionSeverityWeakness

Data Sourced

via NVD·11:20 PM

DescriptionSeverityWeaknessAffected Software

Feb 4, 58345

Event

via FIRST·02:00 AM

Frequently Asked Questions

What is the severity of CVE-2026-8345?

CVE-2026-8345 is classified as a high severity vulnerability due to potential remote command injection.

How do I fix CVE-2026-8345?

To fix CVE-2026-8345, update the D-Link DIR-816 router firmware to the latest version provided by D-Link.

What impact does CVE-2026-8345 have on my device?

CVE-2026-8345 allows attackers to execute arbitrary commands on the D-Link DIR-816 device, compromising its security.

Is CVE-2026-8345 remotely exploitable?

Yes, CVE-2026-8345 can be exploited remotely if the attacker has access to the network hosting the vulnerable D-Link DIR-816 device.

Which versions are affected by CVE-2026-8345?

CVE-2026-8345 specifically affects the D-Link DIR-816 version 1.10CNB05_R1B011D88210.

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

7477

Timeline

PublishedMay 11, 2026

Updated

References

Company

Resources

Contact

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