CVE-2019-12629: Cisco SD-WAN Firmware

High severity, CVSS 7.2. EPSS: 2.5% chance of exploitation in the next 30 days.

A vulnerability in the WebUI of the Cisco SD-WAN Solution could allow an authenticated, remote attacker to inject and execute arbitrary commands with vmanage user privileges on an affected system. The vulnerability is due to insufficient input validation of data parameters for certain fields in the affected solution. An attacker could exploit this vulnerability by configuring a malicious username on the login page of the affected solution. A successful exploit could allow the attacker to inject and execute arbitrary commands with vmanage user privileges on an affected system.

Affected products

• Cisco SD-WAN Firmware: before 18.3.0 (fixed in 18.3.0)

Published 2020-01-26. Last modified 2026-06-17.