CVE-2026-6016: Tenda AC9 Firmware

High severity, CVSS 8.8. EPSS: 1% chance of exploitation in the next 30 days.

A vulnerability was found in Tenda AC9 15.03.02.13. The affected element is the function decodePwd of the file /goform/WizardHandle of the component POST Request Handler. Performing a manipulation of the argument WANS results in stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made public and could be used.

Affected products

• Tenda AC9 Firmware: version 15.03.02.13 only

Published 2026-04-10. Last modified 2026-06-17.