CVE-2026-2186: Tenda RX3 Firmware

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

A vulnerability has been found in Tenda RX3 16.03.13.11. Impacted is the function fromSetIpMacBind of the file /goform/SetIpMacBind. Such manipulation of the argument list leads to stack-based buffer overflow. The attack may be performed from remote. The exploit has been disclosed to the public and may be used.

Affected products

• Tenda RX3 Firmware: version 16.03.13.11 only

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