CVE-2026-3802 HIGH

CVE-2026-3802: Tenda i3 exeCommand formexeCommand stack-based overflow

Vendor Tenda
Product i3
Weakness CWE-121
Published March 9, 2026
Last update March 10, 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 determined in Tenda i3 1.0.0.6(2204). Affected by this issue is the function formexeCommand of the file /goform/exeCommand. Executing a manipulation of the argument cmdinput can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized.

Key dates

02Disclosure timeline

March 9, 2026 CVE published
March 10, 2026 Record updated