raspap-webgui in RaspAP 2.6.6 allows attackers to execute commands as root because of the insecure sudoers permissions. The www-data account can execute /etc/raspap/hostapd/enablelog.sh as root with no password; however, the www-data account can also overwrite /etc/raspap/hostapd/enablelog.sh with any executable content.

includes/configureclient.php in RaspAP 2.6.6 allows attackers to execute commands via command injection.

RaspAP (aka raspap-webgui) through 3.0.9 allows remote attackers to cause a persistent denial of service (bricking) via a crafted request.

RaspAP (aka raspap-webgui) through 3.0.9 allows remote attackers to read the /etc/passwd file via a crafted request.