CVE-2026-2187 HIGH

CVE-2026-2187: Tenda RX3 formSetQosBand set_qosMib_list stack-based overflow

Vendor Tenda
Product RX3
Weakness CWE-121
Published February 8, 2026
Last update February 23, 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 found in Tenda RX3 16.03.13.11. The affected element is the function set_qosMib_list of the file /goform/formSetQosBand. Performing a manipulation of the argument list results in stack-based buffer overflow. It is possible to initiate the attack 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