CVE-2026-19822: Tenda w20e

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

A vulnerability was identified in Tenda W20E 15.11.0.6(1068_1546_841)_CN_TDC. This issue affects the function lstAdd of the file /goform/editQos of the component QoS Edit. Such manipulation of the argument qosListConnecttedNum leads to stack-based buffer overflow. The attack may be launched remotely. The exploit is publicly available and might be used.

Affected products

• Tenda w20e: version 15.11.0.6(1068_1546_841)_CN_TDC only

Published 2026-08-14. Last modified 2026-08-14.