CVE-2019-19505: Tendacn PA6 Firmware

High severity, CVSS 8.8. EPSS: 3.5% chance of exploitation in the next 30 days.

Tenda PA6 Wi-Fi Powerline extender 1.0.1.21 is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by the "Wireless" section in the web-UI. By sending a specially crafted hostname, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.

Affected products

• Tendacn PA6 Firmware: version 1.0.1.21 only

Published 2020-06-25. Last modified 2026-06-17.