Ubiquiti EdgeRouter 4

Ubiquiti · EdgeRouter

74 Risk
993Known CVEs
58Critical severity
0%Patches available (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 (993)

CVE ID Severity CVSS EPSS Fixed in Patch? Published
CVE-2026-34558 CRITICAL 9.1 0.05% — No 2026-03-30
CVE-2026-27599 MEDIUM 4.7 0.02% — No 2026-03-30
CVE-2018-25235 MEDIUM 6.2 0.02% — No 2026-03-30
CVE-2025-9497 CRITICAL 9.8 0.01% — No 2026-03-28
CVE-2026-23343 NONE — 0.03% — No 2026-03-25
CVE-2019-25645 MEDIUM 6.2 0.02% — No 2026-03-24
CVE-2019-25615 HIGH 8.4 0.02% — No 2026-03-22
CVE-2026-31883 MEDIUM 6.5 0.05% — No 2026-03-13
CVE-2019-25474 MEDIUM 6.2 0.02% — No 2026-03-11
CVE-2025-68467 LOW 3.4 0.02% — No 2026-03-04
CVE-2025-47904 MEDIUM 4.1 0.00% — No 2026-02-24
CVE-2025-14340 NONE — 0.87% — No 2026-02-18
CVE-2019-25334 MEDIUM 6.2 0.02% — No 2026-02-12
CVE-2020-37184 CRITICAL 9.8 0.08% — No 2026-02-11
CVE-2020-37131 MEDIUM 6.2 0.01% — No 2026-02-05
CVE-2026-25509 MEDIUM 5.3 0.03% — No 2026-02-03
CVE-2026-25510 CRITICAL 9.9 0.16% — No 2026-02-03
CVE-2020-37055 HIGH 7.8 0.01% — No 2026-02-01
CVE-2020-36933 HIGH 7.8 0.01% — No 2026-01-25
CVE-2021-47861 HIGH 7.8 0.02% — No 2026-01-21
CVE-2025-67246 HIGH 7.3 0.02% — No 2026-01-15
CVE-2021-47771 MEDIUM 5.5 0.01% — No 2026-01-15
CVE-2023-54329 CRITICAL 9.8 0.56% — No 2026-01-13
CVE-2020-36916 HIGH 8.8 0.03% — No 2026-01-06
CVE-2020-36903 HIGH 8.4 0.02% — No 2025-12-31