HIGH

CVE-2026-19790

Tenda G0 httpd Web Management module formSetPortMirror stack-based overflow

CVSS v3

8.8

HIGH

EPSS Score

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

Description

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.

Technical details

CVSS v3 Vector
3.1
Published
8/14/2026
Last Modified
8/14/2026

Frequently asked questions

What is CVE-2026-19790?

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.

Is CVE-2026-19790 actively exploited?

Active exploitation of CVE-2026-19790 has not been confirmed. The EPSS score is N/A%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-19790?

CVE-2026-19790 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string 3.1.

Is CVE-2026-19790 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.