8.6

CVE-2026-54403

A malicious actor with access to the network could exploit a Path Traversal vulnerability found in certain devices running UniFi OS to bypass authentication of such UniFi OS devices or instances.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Ui ≫ Unifi Os Server Version <= 5.1.15
Ui ≫ Unifi Dream Machine Firmware Version <= 5.1.15
   Ui ≫ Unifi Dream Machine Version -
Ui ≫ Unifi Dream Machine Pro Firmware Version <= 5.1.15
   Ui ≫ Unifi Dream Machine Pro Version -
Ui ≫ Unifi Dream Machine Pro Max Firmware Version <= 5.1.15
   Ui ≫ Unifi Dream Machine Pro Max Version -
Ui ≫ Unifi Dream Machine Beast Firmware Version <= 5.1.15
   Ui ≫ Unifi Dream Machine Beast Version -
Ui ≫ Enterprise Fortress Gateway Firmware Version <= 5.1.15
   Ui ≫ Enterprise Fortress Gateway Version -
Ui ≫ Unifi Dream Router Firmware Version <= 5.1.15
   Ui ≫ Unifi Dream Router Version -
Ui ≫ Unifi Dream Wall Firmware Version <= 5.1.15
   Ui ≫ Unifi Dream Wall Version -
Ui ≫ Unifi Dream Router 7 Firmware Version <= 5.1.15
   Ui ≫ Unifi Dream Router 7 Version -
Ui ≫ Unifi Express 7 Firmware Version <= 5.1.15
   Ui ≫ Unifi Express 7 Version -
Ui ≫ Unifi Cloudkey Firmware Version <= 5.1.15
   Ui ≫ Unifi Cloudkey Version -
Ui ≫ Unifi Cloud Key Plus Firmware Version <= 5.1.15
   Ui ≫ Unifi Cloud Key Plus Version -
Ui ≫ Unifi Cloudkey Enterprise Firmware Version <= 5.1.15
   Ui ≫ Unifi Cloudkey Enterprise Version -
Ui ≫ Unifi Network Video Recorder Firmware Version <= 5.1.15
   Ui ≫ Unifi Network Video Recorder Version -
Ui ≫ Unifi Cloud Gateway Ultra Firmware Version <= 5.1.15
   Ui ≫ Unifi Cloud Gateway Ultra Version -
Ui ≫ Unifi Cloud Gateway Max Firmware Version <= 5.1.15
   Ui ≫ Unifi Cloud Gateway Max Version -
Ui ≫ Unifi Cloud Gateway Fiber Firmware Version <= 5.1.15
   Ui ≫ Unifi Cloud Gateway Fiber Version -
Ui ≫ Unas 2 Firmware Version <= 5.1.16
   Ui ≫ Unas 2 Version -
Ui ≫ Unas 4 Firmware Version <= 5.1.16
   Ui ≫ Unas 4 Version -
Ui ≫ Unas Pro Firmware Version <= 5.1.16
   Ui ≫ Unas Pro Version -
Ui ≫ Unas Pro 4 Firmware Version <= 5.1.16
   Ui ≫ Unas Pro 4 Version -
Ui ≫ Unas Pro 8 Firmware Version <= 5.1.16
   Ui ≫ Unas Pro 8 Version -
Ui ≫ Enterprise Firewall Core Firmware Version <= 5.1.18
   Ui ≫ Enterprise Firewall Core Version -
Ui ≫ Unifi Dream Router 5g Max Firmware Version <= 5.1.15
   Ui ≫ Unifi Dream Router 5g Max Version -
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.62% 0.463
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
HackerOne 8.6 3.9 4
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

https://community.ui.com/releases/Security-Advisory-Bulletin-066-066/984eceb3-49c8-4227-942d-671c289b3afc
Vendor Advisory