VulnerabilityAnalyzed
CVE-2026-54402
A malicious actor with access to the network and low privileges could exploit an Improper Input Validation vulnerability found in UniFi OS to execute a Command Injection on the host device.
HIGH 8.8EPSS 1.76%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.76%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A malicious actor with access to the network and low privileges could exploit an Improper Input Validation vulnerability found in UniFi OS to execute a Command Injection on the host device.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.76% probability · 77th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20, CWE-77
- Affected
- ui/unifi os server · ui/unifi dream machine firmware · ui/unifi dream machine pro firmware · ui/unifi dream machine special edition firmware · ui/unifi dream machine pro max firmware · ui/unifi dream machine beast firmware · ui/enterprise fortress gateway firmware · ui/unifi dream router firmware · ui/unifi dream wall firmware · ui/unifi dream router 7 firmware · ui/unifi express 7 firmware · ui/unifi cloudkey firmware · ui/unifi cloud key plus firmware · ui/unifi cloudkey enterprise firmware · ui/unifi network video recorder firmware · ui/unifi network video recorder pro firmware · ui/unifi network video recorder instant firmware · ui/enterprise network video recorder core firmware · ui/unifi network video recorder g2 firmware · ui/unifi network video recorder g2 pro firmware · +12 more
- Source
- support@hackerone.com
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.