Monitor vulnerabilities like this one. Sign up free to get alerted when software you use is affected.
10.0

CVE-2026-34908: UniFi OS: Unauthorized changes to system configuration

Known exploited
CVE-2026-34908 CVE-2026-34908
Summary

This vulnerability affects UniFi OS devices. If left unpatched, a malicious actor with access to the network could make unauthorized changes to the system, potentially disrupting network operations. To protect your devices, update UniFi OS to the latest version.

What to do

No fix is available yet. Check with your software vendor for updates.

Affected software
VendorProductAffected versions
ubiquiti unifi os All versions
ui unifi_os_server < 5.0.8
cpe:2.3:a:ui:unifi_os_server:*:*:*:*:*:*:*:*
ui unifi_cloud_gateway_industrial_firmware < 5.1.12
cpe:2.3:o:ui:unifi_cloud_gateway_industrial_firmware:*:*:*:*:*:*:*:*
ui unifi_dream_machine_firmware < 5.1.12
cpe:2.3:o:ui:unifi_dream_machine_firmware:*:*:*:*:*:*:*:*
ui unifi_dream_machine_pro_firmware < 5.1.12
cpe:2.3:o:ui:unifi_dream_machine_pro_firmware:*:*:*:*:*:*:*:*
ui unifi_dream_machine_special_edition_firmware < 5.1.12
cpe:2.3:o:ui:unifi_dream_machine_special_edition_firmware:*:*:*:*:*:*:*:*
ui unifi_dream_machine_pro_max_firmware < 5.1.12
cpe:2.3:o:ui:unifi_dream_machine_pro_max_firmware:*:*:*:*:*:*:*:*
ui enterprise_fortress_gateway_firmware < 5.1.12
cpe:2.3:o:ui:enterprise_fortress_gateway_firmware:*:*:*:*:*:*:*:*
ui unifi_dream_wall_firmware < 5.1.12
cpe:2.3:o:ui:unifi_dream_wall_firmware:*:*:*:*:*:*:*:*
ui unifi_dream_router_firmware < 5.1.12
cpe:2.3:o:ui:unifi_dream_router_firmware:*:*:*:*:*:*:*:*
ui unifi_dream_router_7_firmware < 5.1.12
cpe:2.3:o:ui:unifi_dream_router_7_firmware:*:*:*:*:*:*:*:*
ui unifi_express_7_firmware < 5.1.12
cpe:2.3:o:ui:unifi_express_7_firmware:*:*:*:*:*:*:*:*
ui unifi_network_video_recorder_firmware < 5.1.12
cpe:2.3:o:ui:unifi_network_video_recorder_firmware:*:*:*:*:*:*:*:*
ui unifi_network_video_recorder_pro_firmware < 5.1.12
cpe:2.3:o:ui:unifi_network_video_recorder_pro_firmware:*:*:*:*:*:*:*:*
ui unifi_network_video_recorder_instant_firmware < 5.1.12
cpe:2.3:o:ui:unifi_network_video_recorder_instant_firmware:*:*:*:*:*:*:*:*
ui enterprise_network_video_recorder_firmware < 5.1.12
cpe:2.3:o:ui:enterprise_network_video_recorder_firmware:*:*:*:*:*:*:*:*
ui unifi_cloud_gateway_ultra_firmware < 5.1.12
cpe:2.3:o:ui:unifi_cloud_gateway_ultra_firmware:*:*:*:*:*:*:*:*
ui unifi_cloud_gateway_max_firmware < 5.1.12
cpe:2.3:o:ui:unifi_cloud_gateway_max_firmware:*:*:*:*:*:*:*:*
ui unifi_cloud_gateway_fiber_firmware < 5.1.12
cpe:2.3:o:ui:unifi_cloud_gateway_fiber_firmware:*:*:*:*:*:*:*:*
ui unifi_dream_router_5g_max_firmware < 5.1.12
cpe:2.3:o:ui:unifi_dream_router_5g_max_firmware:*:*:*:*:*:*:*:*
ui enterprise_network_video_recorder_core_firmware < 5.1.12
cpe:2.3:o:ui:enterprise_network_video_recorder_core_firmware:*:*:*:*:*:*:*:*
ui unifi_cloud_key_plus_firmware < 5.1.12
cpe:2.3:o:ui:unifi_cloud_key_plus_firmware:*:*:*:*:*:*:*:*
ui unifi_cloudkey_firmware < 5.1.12
cpe:2.3:o:ui:unifi_cloudkey_firmware:*:*:*:*:*:*:*:*
ui unifi_cloudkey_enterprise_firmware < 5.1.12
cpe:2.3:o:ui:unifi_cloudkey_enterprise_firmware:*:*:*:*:*:*:*:*
ui unifi_network_video_recorder_g2_firmware < 5.1.12
cpe:2.3:o:ui:unifi_network_video_recorder_g2_firmware:*:*:*:*:*:*:*:*
ui unifi_network_video_recorder_g2_pro_firmware < 5.1.12
cpe:2.3:o:ui:unifi_network_video_recorder_g2_pro_firmware:*:*:*:*:*:*:*:*
ui unifi_dream_machine_beast_firmware < 5.1.11
cpe:2.3:o:ui:unifi_dream_machine_beast_firmware:*:*:*:*:*:*:*:*
ui unas_2_firmware < 5.1.10
cpe:2.3:o:ui:unas_2_firmware:*:*:*:*:*:*:*:*
ui unas_4_firmware < 5.1.10
cpe:2.3:o:ui:unas_4_firmware:*:*:*:*:*:*:*:*
ui unas_pro_firmware < 5.1.10
cpe:2.3:o:ui:unas_pro_firmware:*:*:*:*:*:*:*:*
ui unas_pro_4_firmware < 5.1.10
cpe:2.3:o:ui:unas_pro_4_firmware:*:*:*:*:*:*:*:*
ui unas_pro_8_firmware < 5.1.10
cpe:2.3:o:ui:unas_pro_8_firmware:*:*:*:*:*:*:*:*
Original title
Ubiquiti UniFi OS Improper Access Control Vulnerability
Original description
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.
nvd CVSS3.1 10.0
Vulnerability type
CWE-284 Improper Access Control
Published: 23 Jun 2026 · Updated: 23 Jul 2026 · First seen: 22 May 2026