CVE-2026-19790 HIGH

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

Vendor Tenda
Product G0
Weakness CWE-121
Published August 14, 2026
Last update August 14, 2026

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS 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/E:P

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

August 14, 2026 CVE published