VPN Security Vulnerabilities Increased 47% in 2023

The number of reported VPN vulnerabilities increased by 47% in 2023 compared to the average over the two years prior, with a 43% increase in confidentiality impact and a 40% rise in severity. Cisco, Zyxel and SoftEther were the most affected vendors in 2023.

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JP Jones
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Simon Migliano
Simon Migliano

JP Jones is our CTO. He has over 25 years of software engineering and networking experience, and oversees all technical aspects of our VPN testing process. Read full bio

Simon Migliano is a recognized world expert in VPNs. He's tested hundreds of VPN services and his research has featured on the BBC, The New York Times and more. Read full bio

Additional Research by Agata Michalak

VPN Vulnerability 2023 report header illustration showing a man in front of a computer screen and other devices using a VPN