10

CVE-2026-34908

Warnung
Medienbericht
Exploit
A malicious actor with access to the network could exploit an Improper Access Control vulnerability found in UniFi OS devices to make unauthorized changes to the system.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Ui ≫ Unifi Os Server Version < 5.0.8
Ui ≫ Unifi Dream Machine Firmware Version < 5.1.12
   Ui ≫ Unifi Dream Machine Version -
Ui ≫ Unifi Dream Machine Pro Firmware Version < 5.1.12
   Ui ≫ Unifi Dream Machine Pro Version -
Ui ≫ Unifi Dream Machine Pro Max Firmware Version < 5.1.12
   Ui ≫ Unifi Dream Machine Pro Max Version -
Ui ≫ Enterprise Fortress Gateway Firmware Version < 5.1.12
   Ui ≫ Enterprise Fortress Gateway Version -
Ui ≫ Unifi Dream Wall Firmware Version < 5.1.12
   Ui ≫ Unifi Dream Wall Version -
Ui ≫ Unifi Dream Router Firmware Version < 5.1.12
   Ui ≫ Unifi Dream Router Version -
Ui ≫ Unifi Dream Router 7 Firmware Version < 5.1.12
   Ui ≫ Unifi Dream Router 7 Version -
Ui ≫ Unifi Express 7 Firmware Version < 5.1.12
   Ui ≫ Unifi Express 7 Version -
Ui ≫ Unifi Cloud Gateway Ultra Firmware Version < 5.1.12
   Ui ≫ Unifi Cloud Gateway Ultra Version -
Ui ≫ Unifi Cloud Gateway Max Firmware Version < 5.1.12
   Ui ≫ Unifi Cloud Gateway Max Version -
Ui ≫ Unifi Cloud Gateway Fiber Firmware Version < 5.1.12
   Ui ≫ Unifi Cloud Gateway Fiber Version -
Ui ≫ Unifi Dream Router 5g Max Firmware Version < 5.1.12
   Ui ≫ Unifi Dream Router 5g Max Version -
Ui ≫ Unifi Cloud Key Plus Firmware Version < 5.1.12
   Ui ≫ Unifi Cloud Key Plus Version -
Ui ≫ Unifi Cloudkey Firmware Version < 5.1.12
   Ui ≫ Unifi Cloudkey Version -
Ui ≫ Unifi Cloudkey Enterprise Firmware Version < 5.1.12
   Ui ≫ Unifi Cloudkey Enterprise Version -
Ui ≫ Unifi Dream Machine Beast Firmware Version < 5.1.11
   Ui ≫ Unifi Dream Machine Beast Version -
Ui ≫ Unas 2 Firmware Version < 5.1.10
   Ui ≫ Unas 2 Version -
Ui ≫ Unas 4 Firmware Version < 5.1.10
   Ui ≫ Unas 4 Version -
Ui ≫ Unas Pro Firmware Version < 5.1.10
   Ui ≫ Unas Pro Version -
Ui ≫ Unas Pro 4 Firmware Version < 5.1.10
   Ui ≫ Unas Pro 4 Version -
Ui ≫ Unas Pro 8 Firmware Version < 5.1.10
   Ui ≫ Unas Pro 8 Version -

23.06.2026: CISA Known Exploited Vulnerabilities (KEV) Catalog

Ubiquiti UniFi OS Improper Access Control Vulnerability

Schwachstelle

Ubiquiti UniFi OS contains an improper access control vulnerability which could allow a malicious actor with access to the network to make unauthorized changes to the system.

Beschreibung

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Erforderliche Maßnahmen
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 85.19% 0.997
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
HackerOne 10 3.9 6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE-284 Improper Access Control

The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

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https://www.pwndefend.com/2026/06/09/cve-2026-34910-exploitation-itw-building-a-botnet-mirai/
Third Party Advisory
Exploit
https://community.ui.com/releases/Security-Advisory-Bulletin-064-064/84811c09-4cf4-42ab-bd61-cc994445963b
Patch
Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-34908
US Government Resource