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SoftEther VPN

Multi-protocol VPN server from the University of Tsukuba

Remote Access & VPN ★ 13.6k stars Hard setup Apache-2.0

SoftEther VPN is a powerful open-source multi-protocol VPN server supporting its own protocol plus OpenVPN, L2TP/IPsec, and SSTP. It is known for high performance and firewall traversal.

Official siteSource code

Key features

  • Multiple VPN protocols
  • Excellent firewall traversal
  • Cross-platform server
  • High throughput

Strengths

  • Released under the Apache-2.0 license
  • Mature project with 13.6k GitHub stars
  • Written in C
  • Tiny footprint — runs in 256 MB RAM

Is SoftEther VPN secure?

1 known vulnerability affects SoftEther VPN's latest release (5.2.5188) according to OSV.dev; the most severe is rated high.

Affecting 5.2.5188

AdvisorySeveritySummary
CVE-2026-39312HighPre-Auth EAP-TLS DoS on SoftEther VPN Developer Edition
  • Most recent fixed advisory CVE-2025-32787, published 2025-04-16 (546 days ago)

Source: OSV.dev, checked 2026-10-14. How this is measured.

SoftEther VPN replaces

Self-hosted Cisco AnyConnect alternatives

Health badge

Maintain SoftEther VPN? Add its health score to your README. The badge links back to this page.

SelfHostIndex: 78 · good

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[![SelfHostIndex health score for SoftEther VPN](https://selfhostindex.com/badge/softether.svg)](https://selfhostindex.com/app/softether/)
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<a href="https://selfhostindex.com/app/softether/"><img src="https://selfhostindex.com/badge/softether.svg" alt="SelfHostIndex health score for SoftEther VPN"></a>
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.. image:: https://selfhostindex.com/badge/softether.svg
   :alt: SelfHostIndex health score for SoftEther VPN
   :target: https://selfhostindex.com/app/softether/

The score is recomputed on every nightly rebuild from public repository data — see how it is calculated.

Compare SoftEther VPN

5 head-to-head comparisons.

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