CVE-2026-19790: Tenda G0 httpd Web Management module formSetPortMirror stack-based overflow

Published Aug 14, 2026
·
Updated

A vulnerability was identified in Tenda G0 up to 20260625. This issue affects the function formSetPortMirror of the file /goform/module of the component httpd Web Management Interface. Such manipulation of the argument portMirrorMirroredPorts leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used.

Affected Software

1 affected component
Tenda Tenda G0<=20260625

Event History

Aug 14, 2026
CVE Published
via MITRE·03:30 AM
Data Sourced
via MITRE·03:30 AM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2026-19790?

The severity of CVE-2026-19790 is high, with a score of 8.8.

2

What systems are affected by CVE-2026-19790?

CVE-2026-19790 affects Tenda G0 devices up to version 20260625.

3

How do I fix CVE-2026-19790?

To fix CVE-2026-19790, it's recommended to update your Tenda G0 firmware to the latest version that addresses this vulnerability.

4

What type of vulnerability is CVE-2026-19790?

CVE-2026-19790 is a buffer overflow vulnerability present in the formSetPortMirror function of the Tenda G0's httpd Web Management Interface.

5

What could happen if CVE-2026-19790 is exploited?

If exploited, CVE-2026-19790 could lead to potential remote code execution due to stack-based overflow.

Contact

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