High
TP-Link TL-WA850RE Wi-Fi Range Extender could allow a remote attacker to gain elevated privileges on the system, caused by the use of highly predictable and easily detectable session keys. By sending a specially-crafted request, an attacker could exploit this vulnerability to gain administrative privileges.
TP-Link
Upgrade to the latest version of TL-WA850RE Wi-Fi Range Extender, available from the TP-Link Web site.