A vulnerability in Cisco SD-WAN Solution Software could allow an unauthenticated, remote attacker to cause a buffer overflow on an affected device. The vulnerability is due to insufficient input validation. A successful exploit could allow the attacker to gain access to information that they are not authorized to access. Cisco has released free software updates that address the vulnerability described in this advisory. There are no workarounds that address this vulnerability. Cisco confirmed that this vulnerability does not affect the following Cisco products: Adaptive Security Appliance (ASA) Software.”]
Source: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdbufof-h5f5VSeL