CVE-2026-9389 HIGH

CVE-2026-9389: Tenda F456 L7Im frmL7ImForm buffer overflow

Vendor Tenda
Product F456
Weakness CWE-120
Published May 24, 2026
Last update May 29, 2026
View on NVD All CVEs

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 security vulnerability has been detected in Tenda F456 1.0.0.5. This affects the function frmL7ImForm of the file /goform/L7Im. The manipulation of the argument page leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used.

Key dates

02Disclosure timeline

May 24, 2026 CVE published
May 29, 2026 Record updated