CVE-2026-2138 HIGH

CVE-2026-2138: Tenda TX9 SetStaticRouteCfg sub_42D03C buffer overflow

Vendor Tenda
Product TX9
Weakness CWE-120
Published February 8, 2026
Last update February 23, 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 vulnerability was found in Tenda TX9 up to 22.03.02.10_multi. Affected is the function sub_42D03C of the file /goform/SetStaticRouteCfg. The manipulation of the argument list results in buffer overflow. The attack can be launched remotely. The exploit has been made public and could be used.

Key dates

02Disclosure timeline

February 8, 2026 CVE published
February 23, 2026 Record updated