Cisco has fixed a heap of security holes in a variety of its products, including a critical one affecting its SD-WAN Solution. Cisco SD-WAN vulnerabilities The most critical among the flaws fixed are a buffer overflow vulnerability (CVE-2019-1651) and a high risk unauthorized access flaw (CVE-2019-1647) affecting any Cisco vSmart Controller Software versions running a release of the Cisco SD-WAN Solution prior to 18.4.0.

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