Ubiquiti EdgeRouter 4
Ubiquiti · EdgeRouter
51
Risk
1,013Known CVEs
80Critical severity
88%Patched (this page)
88%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-2026-39391 | MEDIUM | 4.8 | 0.01% | — | Likely Patched | 2026-04-08 |
| CVE-2026-39390 | MEDIUM | 5.5 | 0.01% | — | Likely Patched | 2026-04-08 |
| CVE-2026-34989 | CRITICAL | 9.0 | 0.05% | — | Likely Patched | 2026-04-06 |
| CVE-2026-35035 | HIGH | 7.2 | 0.02% | — | Likely Patched | 2026-04-06 |
| CVE-2016-20059 | HIGH | 7.8 | 0.02% | — | Unpatched | 2026-04-04 |
| CVE-2026-34571 | CRITICAL | 9.9 | 0.06% | — | Likely Patched | 2026-04-01 |
| CVE-2026-34572 | HIGH | 8.8 | 0.04% | — | Likely Patched | 2026-04-01 |
| CVE-2026-34565 | CRITICAL | 9.1 | 0.05% | — | Likely Patched | 2026-04-01 |
| CVE-2026-34566 | CRITICAL | 9.1 | 0.05% | — | Likely Patched | 2026-04-01 |
| CVE-2026-34567 | CRITICAL | 9.1 | 0.05% | — | Likely Patched | 2026-04-01 |
| CVE-2026-34568 | CRITICAL | 9.1 | 0.02% | — | Likely Patched | 2026-04-01 |
| CVE-2026-34569 | CRITICAL | 9.9 | 0.05% | — | Likely Patched | 2026-04-01 |
| CVE-2026-34570 | HIGH | 8.8 | 0.04% | — | Likely Patched | 2026-04-01 |
| CVE-2026-34561 | MEDIUM | 4.7 | 0.07% | — | Likely Patched | 2026-04-01 |
| CVE-2026-34562 | MEDIUM | 4.7 | 0.02% | — | Likely Patched | 2026-04-01 |
| CVE-2026-34560 | CRITICAL | 9.1 | 0.02% | — | Likely Patched | 2026-04-01 |
| CVE-2026-34563 | CRITICAL | 9.1 | 0.05% | — | Likely Patched | 2026-04-01 |
| CVE-2026-34564 | CRITICAL | 9.1 | 0.02% | — | Likely Patched | 2026-04-01 |
| CVE-2026-34559 | CRITICAL | 9.1 | 0.02% | — | Likely Patched | 2026-04-01 |
| CVE-2026-34557 | CRITICAL | 9.1 | 0.03% | — | Likely Patched | 2026-03-30 |
| CVE-2026-34558 | CRITICAL | 9.1 | 0.03% | — | Likely Patched | 2026-03-30 |
| CVE-2026-27599 | MEDIUM | 4.7 | 0.03% | — | Likely Patched | 2026-03-30 |
| CVE-2018-25235 | MEDIUM | 6.2 | 0.02% | — | Unpatched | 2026-03-30 |
| CVE-2025-9497 | CRITICAL | 9.8 | 0.01% | — | Unpatched | 2026-03-28 |
| CVE-2026-23343 | HIGH | 7.8 | 0.02% | — | Likely Patched | 2026-03-25 |