CVE-2026-2906 HIGH

CVE-2026-2906: Tenda HG9 Samba Configuration Endpoint formSamba stack-based overflow

Vendor Tenda
Product HG9
Weakness CWE-121
Published February 22, 2026
Last update February 24, 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 security flaw has been discovered in Tenda HG9 300001138. Affected is an unknown function of the file /boaform/formSamba of the component Samba Configuration Endpoint. The manipulation of the argument sambaCap results in stack-based buffer overflow. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks.

Key dates

02Disclosure timeline

February 22, 2026 CVE published
February 24, 2026 Record updated