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    CVE-2026-34908

    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.

    Published:May 22, 2026
    Last Modified:Aug 12, 2026
    EPS:May 22, 2026
    EPSS Score:0.85194
    CVSS Score:10

    CISA Notification

    Description

    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.

    Required Action:

    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.

    Notes:

    No extra notes provided.

    Due Date
    Jun 26, 2026
    77 days ago
    Alert Date
    Jun 23, 2026
    80 days ago

    Affected Products

    Vendor
    Ubiquiti
    Product
    Efg
    Vendor
    Ubiquiti
    Product
    Envr
    Vendor
    Ubiquiti
    Product
    Envr-core
    Vendor
    Ubiquiti
    Product
    Express 7
    Vendor
    Ubiquiti
    Product
    Ucg-fiber
    Vendor
    Ubiquiti
    Product
    Ucg-industrial
    Vendor
    Ubiquiti
    Product
    Ucg-max
    Vendor
    Ubiquiti
    Product
    Ucg-ultra
    Vendor
    Ubiquiti
    Product
    Uck
    Vendor
    Ubiquiti
    Product
    Uck-enterprise
    Vendor
    Ubiquiti
    Product
    Uckp
    Vendor
    Ubiquiti
    Product
    Udm
    Vendor
    Ubiquiti
    Product
    Udm-beast
    Vendor
    Ubiquiti
    Product
    Udm-pro
    Vendor
    Ubiquiti
    Product
    Udm-pro-max
    Vendor
    Ubiquiti
    Product
    Udm-se
    Vendor
    Ubiquiti
    Product
    Udr
    Vendor
    Ubiquiti
    Product
    Udr-5g
    Vendor
    Ubiquiti
    Product
    Udr7
    Vendor
    Ubiquiti
    Product
    Udw
    Vendor
    Ubiquiti
    Product
    Unas-2
    Vendor
    Ubiquiti
    Product
    Unas-4
    Vendor
    Ubiquiti
    Product
    Unas-pro
    Vendor
    Ubiquiti
    Product
    Unas-pro-4
    Vendor
    Ubiquiti
    Product
    Unas-pro-8
    Vendor
    Ubiquiti
    Product
    Unifi Os
    Vendor
    Ubiquiti
    Product
    Unvr
    Vendor
    Ubiquiti
    Product
    Unvr-g2
    Vendor
    Ubiquiti
    Product
    Unvr-g2-pro
    Vendor
    Ubiquiti
    Product
    Unvr-instant
    Vendor
    Ubiquiti
    Product
    Unvr-pro
    Vendor
    Ui
    Product
    Enterprise Fortress Gateway
    Vendor
    Ui
    Product
    Enterprise Fortress Gateway Firmware
    Vendor
    Ui
    Product
    Enterprise Network Video Recorder
    Vendor
    Ui
    Product
    Enterprise Network Video Recorder Core
    Vendor
    Ui
    Product
    Enterprise Network Video Recorder Core Firmware
    Vendor
    Ui
    Product
    Enterprise Network Video Recorder Firmware
    Vendor
    Ui
    Product
    Unas 2
    Vendor
    Ui
    Product
    Unas 2 Firmware
    Vendor
    Ui
    Product
    Unas 4
    Vendor
    Ui
    Product
    Unas 4 Firmware
    Vendor
    Ui
    Product
    Unas Pro
    Vendor
    Ui
    Product
    Unas Pro 4
    Vendor
    Ui
    Product
    Unas Pro 4 Firmware
    Vendor
    Ui
    Product
    Unas Pro 8
    Vendor
    Ui
    Product
    Unas Pro 8 Firmware
    Vendor
    Ui
    Product
    Unas Pro Firmware
    Vendor
    Ui
    Product
    Unifi Cloud Gateway Fiber
    Vendor
    Ui
    Product
    Unifi Cloud Gateway Fiber Firmware
    Vendor
    Ui
    Product
    Unifi Cloud Gateway Industrial
    Vendor
    Ui
    Product
    Unifi Cloud Gateway Industrial Firmware
    Vendor
    Ui
    Product
    Unifi Cloud Gateway Max
    Vendor
    Ui
    Product
    Unifi Cloud Gateway Max Firmware
    Vendor
    Ui
    Product
    Unifi Cloud Gateway Ultra
    Vendor
    Ui
    Product
    Unifi Cloud Gateway Ultra Firmware
    Vendor
    Ui
    Product
    Unifi Cloud Key Plus
    Vendor
    Ui
    Product
    Unifi Cloud Key Plus Firmware
    Vendor
    Ui
    Product
    Unifi Cloudkey
    Vendor
    Ui
    Product
    Unifi Cloudkey Enterprise
    Vendor
    Ui
    Product
    Unifi Cloudkey Enterprise Firmware
    Vendor
    Ui
    Product
    Unifi Cloudkey Firmware
    Vendor
    Ui
    Product
    Unifi Dream Machine
    Vendor
    Ui
    Product
    Unifi Dream Machine Beast
    Vendor
    Ui
    Product
    Unifi Dream Machine Beast Firmware
    Vendor
    Ui
    Product
    Unifi Dream Machine Firmware
    Vendor
    Ui
    Product
    Unifi Dream Machine Pro
    Vendor
    Ui
    Product
    Unifi Dream Machine Pro Firmware
    Vendor
    Ui
    Product
    Unifi Dream Machine Pro Max
    Vendor
    Ui
    Product
    Unifi Dream Machine Pro Max Firmware
    Vendor
    Ui
    Product
    Unifi Dream Machine Special Edition
    Vendor
    Ui
    Product
    Unifi Dream Machine Special Edition Firmware
    Vendor
    Ui
    Product
    Unifi Dream Router
    Vendor
    Ui
    Product
    Unifi Dream Router 5g Max
    Vendor
    Ui
    Product
    Unifi Dream Router 5g Max Firmware
    Vendor
    Ui
    Product
    Unifi Dream Router 7
    Vendor
    Ui
    Product
    Unifi Dream Router 7 Firmware
    Vendor
    Ui
    Product
    Unifi Dream Router Firmware
    Vendor
    Ui
    Product
    Unifi Dream Wall
    Vendor
    Ui
    Product
    Unifi Dream Wall Firmware
    Vendor
    Ui
    Product
    Unifi Express 7
    Vendor
    Ui
    Product
    Unifi Express 7 Firmware
    Vendor
    Ui
    Product
    Unifi Network Video Recorder
    Vendor
    Ui
    Product
    Unifi Network Video Recorder Firmware
    Vendor
    Ui
    Product
    Unifi Network Video Recorder G2
    Vendor
    Ui
    Product
    Unifi Network Video Recorder G2 Firmware
    Vendor
    Ui
    Product
    Unifi Network Video Recorder G2 Pro
    Vendor
    Ui
    Product
    Unifi Network Video Recorder G2 Pro Firmware
    Vendor
    Ui
    Product
    Unifi Network Video Recorder Instant
    Vendor
    Ui
    Product
    Unifi Network Video Recorder Instant Firmware
    Vendor
    Ui
    Product
    Unifi Network Video Recorder Pro
    Vendor
    Ui
    Product
    Unifi Network Video Recorder Pro Firmware
    Vendor
    Ui
    Product
    Unifi Os Server

    Exploits

    https://www.pwndefend.com/2026/06/09/cve-2026-34910-exploitation-itw-building-a-botnet-mirai/https://github.com/BishopFox/CVE-2026-34908-check

    Common Weakness Enumeration

    CWE-284 Improper Access Control

    Related CVEs

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    CVE-2026-47368 (CVSS 8.6) — A malicious actor with access to the network could exploit a Path Traversal vulnerability found in certain dev…
    CVE-2026-48610 (CVSS 8.1) — Under certain network configurations, a malicious actor with access to network could exploit an Improper Acces…
    CVE-2026-34911 (CVSS 7.7) — A malicious actor with access to the network and low privileges could exploit a Path Traversal vulnerability f…
    CVE-2026-34910 (CVSS 10) — A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in…
    CVE-2026-34909 (CVSS 10) — A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi OS de…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High