OPNsense
Depends
Confidence: Medium
Buy it if you have networking skills and want enterprise firewall features without license fees.
New check
Comparison
OPNsense and Vyos both land on Depends.
Buy it if you have networking skills and want enterprise firewall features without license fees.
Buy it if you have network-engineering skills and want a free, scriptable router/firewall OS for cloud or bare metal.
| Compare | ||
|---|---|---|
| Verdict | Depends | Depends |
| Best for | Homelab builders | Network engineers comfortable with CLI |
| Who it's not for | Anyone wanting plug-and-play Wi-Fi | Non-technical users wanting a plug-and-play Wi-Fi router |
| Privacy | Actively patched open-source firewall; two authenticated RCE CVEs disclosed and fixed in 2026 releases.⁷ | Active advisories: critical CVE-2025-30095 (SSH key disclosure/MITM) fixed in 1.4.5/1.5.1; a sandbox escape issue was also reported. |
| Support quality | Community forums; real support needs paid edition | Paid support portal exists; community forums active |
| Public sentiment | Long-term users praise stability and value, while some defectors find it overly complex to configure and maintain.⁶ | Users praise VyOS's reliability, performance, and value but consistently warn about its steep, CLI-only learning curve. |
| Biggest gotcha | Internet-facing firewall must be patched fast; pre-26.1.8 had authenticated RCE⁷ | Free tier is rolling release only; LTS builds and official support require paid subscriptions |