CVE-2026-90689: Tenda w20e

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

A security flaw has been discovered in Tenda W20E 15.11.0.61068_1546_841_CN_TDC. Impacted is the function formDelWebAuthWhiteUser. Performing a manipulation of the argument webAuthWhiteUserIndex results in stack-based buffer overflow. The attack can be initiated remotely.

Affected products

• Tenda w20e: version 15.11.0.61068_1546_841_CN_TDC only

Published 2026-09-14. Last modified 2026-09-14.