CVE-2026-8345
Received Received - Intake
Command Injection in D-Link DIR-816 Router

Publication date: 2026-05-11

Last updated on: 2026-05-11

Assigner: VulDB

Description
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.
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Meta Information
Published
2026-05-11
Last Modified
2026-05-11
Generated
2026-06-21
AI Q&A
2026-05-12
EPSS Evaluated
2026-06-20
NVD
CVE-2026-8345
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
d-link dir-816 1.10cnb05_r1b011d88210
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-74 The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.
CWE-77 The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.
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Executive Summary

This vulnerability exists in the D-Link DIR-816 router, specifically in the function sub_445E7C within the file /goform/singlePortForward. It involves improper handling of the ip_address argument, which allows an attacker to perform command injection.

Because the argument can be manipulated, an attacker can remotely execute arbitrary commands on the device.

The exploit has been publicly disclosed, meaning that details on how to carry out the attack are available.

Impact Analysis

This vulnerability can allow a remote attacker to execute arbitrary commands on the affected D-Link DIR-816 device.

Such unauthorized command execution can lead to compromise of the device, potentially allowing the attacker to control the router, intercept or manipulate network traffic, or disrupt network services.

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