: Tap Tools or Settings (bottom right) > Firmware Upgrade .
For the AC5, firmware updates are often the only line of defense against a barrage of Common Vulnerabilities and Exposures (CVEs). Over the last few years, security researchers have identified critical flaws in Tenda’s ecosystem, ranging from buffer overflows in the httpd binary to authentication bypasses that can grant a remote attacker root access without a password. tenda ac5 firmware update