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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
| Vendor | Product | Affected 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