CVE-2026-19790

high

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.

References

https://www.tenda.com.cn/

https://vuldb.com/vuln/389757/cti

https://vuldb.com/vuln/389757

https://vuldb.com/submit/868924

https://vuldb.com/cve/CVE-2026-19790

https://github.com/lipenghai/iot_bug/blob/main/Tenda/G0/1.md

Details

Source: Mitre, NVD

Published: 2026-08-14

Updated: 2026-08-14

Risk Information

CVSS v2

Base Score: 9

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

CVSS v4

Base Score: 8.7

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Severity: High