Ubiquiti EdgeRouter 4
Ubiquiti · EdgeRouter
51
Risk
1,013Known CVEs
80Critical severity
20%Patched (this page)
20%Likely patched (this page)
2.0.9
Latest firmware ↗
Am I patched?
Enter your router's installed firmware version. We compare it against the fixed-in version for each known CVE.
Best-effort comparison based on available CVE metadata. Always confirm with the vendor.
Known CVEs (1,013)
| CVE ID | Severity | CVSS | EPSS | Fixed in | Patch Status | Published ↓ |
|---|---|---|---|---|---|---|
| CVE-2019-25645 | MEDIUM | 6.2 | 0.01% | — | Unpatched | 2026-03-24 |
| CVE-2019-25615 | HIGH | 8.4 | 0.01% | — | Unpatched | 2026-03-22 |
| CVE-2026-31883 | MEDIUM | 6.5 | 0.07% | — | Likely Patched | 2026-03-13 |
| CVE-2019-25474 | MEDIUM | 6.2 | 0.02% | — | Unpatched | 2026-03-11 |
| CVE-2025-68467 | LOW | 3.4 | 0.02% | — | Likely Patched | 2026-03-04 |
| CVE-2025-47904 | MEDIUM | 4.1 | 0.01% | — | Likely Patched | 2026-02-24 |
| CVE-2025-14340 | NONE | — | 0.57% | — | Unpatched | 2026-02-18 |
| CVE-2019-25334 | MEDIUM | 6.2 | 0.02% | — | Unpatched | 2026-02-12 |
| CVE-2020-37184 | CRITICAL | 9.8 | 0.08% | — | Unpatched | 2026-02-11 |
| CVE-2020-37131 | MEDIUM | 6.2 | 0.01% | — | Unpatched | 2026-02-05 |
| CVE-2026-25509 | MEDIUM | 5.3 | 0.03% | — | Likely Patched | 2026-02-03 |
| CVE-2026-25510 | CRITICAL | 9.9 | 0.18% | — | Likely Patched | 2026-02-03 |
| CVE-2020-37055 | HIGH | 7.8 | 0.01% | — | Unpatched | 2026-02-01 |
| CVE-2020-36933 | HIGH | 7.8 | 0.01% | — | Unpatched | 2026-01-25 |
| CVE-2021-47861 | HIGH | 7.8 | 0.02% | — | Unpatched | 2026-01-21 |
| CVE-2025-67246 | HIGH | 7.3 | 0.02% | — | Unpatched | 2026-01-15 |
| CVE-2021-47771 | MEDIUM | 5.5 | 0.01% | — | Unpatched | 2026-01-15 |
| CVE-2023-54329 | CRITICAL | 9.8 | 0.66% | — | Unpatched | 2026-01-13 |
| CVE-2020-36916 | HIGH | 8.8 | 0.04% | — | Unpatched | 2026-01-06 |
| CVE-2020-36903 | HIGH | 8.4 | 0.02% | — | Unpatched | 2025-12-31 |
| CVE-2020-36904 | HIGH | 7.5 | 0.10% | — | Unpatched | 2025-12-31 |
| CVE-2023-54227 | NONE | — | 0.03% | — | Unpatched | 2025-12-30 |
| CVE-2023-54194 | NONE | — | 0.02% | — | Unpatched | 2025-12-30 |
| CVE-2023-54070 | NONE | — | 0.03% | — | Unpatched | 2025-12-24 |
| CVE-2025-68306 | NONE | — | 0.02% | — | Unpatched | 2025-12-16 |