CVE-2026-2187: Tenda RX3 Firmware

High severity, CVSS 8.8. EPSS: 0.9% chance of exploitation in the next 30 days.

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.

Affected products

• Tenda RX3 Firmware: version 16.03.13.11 only

Published 2026-02-08. Last modified 2026-06-17.