CVE-2026-86300: Tenda AC9

High severity, CVSS 7.3. EPSS: 0.8% chance of exploitation in the next 30 days.

A flaw has been found in Tenda AC9 15.03.05.14. This impacts the function R7WebsSecurityHandler of the component Web Management. This manipulation causes improper authentication. The attack may be initiated remotely. The exploit has been published and may be used.

Affected products

• Tenda AC9: version 15.03.05.14 only

Published 2026-09-07. Last modified 2026-09-08.