Cisco informed customers on Monday that updates released for its Adaptive Security Appliance (ASA) software patch a critical vulnerability that can be exploited to gain full control of devices or cause them to reload.

The security hole, tracked as CVE-2018-0101 and assigned a CVSS score of 10, allows a remote and unauthenticated attacker to execute arbitrary code or cause a denial-of-service (DoS) condition.