CVE-2026-7119
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
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| tenda | hg3_firmware | 300003070 |
Helpful Resources
Exploitability
| 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. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
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.
How can this vulnerability impact me? :
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.