CVE-2026-7119
Received Received - Intake
OS Command Injection in Tenda HG3 2.0 via formCountrystr Parameter

Publication date: 2026-04-27

Last updated on: 2026-04-30

Assigner: VulDB

Description
A vulnerability was detected in Tenda HG3 2.0. The impacted element is an unknown function of the file /boaform/formCountrystr. The manipulation of the argument countrystr results in os command injection. The attack may be performed from remote. The exploit is now public and may be used.
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Meta Information
Published
2026-04-27
Last Modified
2026-04-30
Generated
2026-06-16
AI Q&A
2026-04-27
EPSS Evaluated
2026-06-15
NVD
CVE-2026-7119
EUVD
EUVD-2026-25834
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
tenda hg3_firmware 300003070
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
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.
CWE-78 The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
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Executive Summary

This vulnerability exists in the Tenda HG3 2.0 device, specifically in an unknown function within the file /boaform/formCountrystr. It occurs due to improper handling of the argument 'countrystr', which allows an attacker to perform OS command injection.

The attack can be executed remotely, meaning an attacker does not need physical access to the device to exploit this vulnerability.

The exploit for this vulnerability is publicly available, increasing the risk of it being used maliciously.

Impact Analysis

Exploitation of this vulnerability can allow an attacker to execute arbitrary operating system commands on the affected device remotely.

This can lead to unauthorized control over the device, potentially resulting in data compromise, disruption of device functionality, or use of the device as a foothold for further attacks within a network.

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