CVE-2026-8344
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 weakness has been identified in D-Link DIR-816 1.10CNB05_R1B011D88210. Affected by this vulnerability is the function sub_445E7C of the file /goform/formDMZ.cgi. This manipulation causes command injection. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks.
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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-2026-8344
EUVD
EUVD-2026-29345
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 is a weakness found in the D-Link DIR-816 router, specifically in the function sub_445E7C of the file /goform/formDMZ.cgi. It allows an attacker to perform command injection, meaning they can execute arbitrary commands on the device.

The attack can be initiated remotely, and the exploit code has been made publicly available, increasing the risk of exploitation.

Impact Analysis

This vulnerability can allow an attacker to remotely execute commands on the affected device, potentially leading to unauthorized control over the router.

Such control could be used to disrupt network operations, intercept or manipulate network traffic, or use the device as a foothold for further attacks within the network.

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