Detections
Analytics
Ubiquiti UniFi OS < 5.1.12 Multiple Vulnerabilities
critical Nessus Plugin ID 324968
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Synopsis
A device on the remote host is affected by multiple vulnerabilities.Description
According to its self-reported version, the remote Ubiquiti UniFi OS device is prior to 5.1.12. It is, therefore, affected by multiple vulnerabilities:- 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. (CVE-2026-34908)
- A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi OS devices to access files on the underlying system that could be manipulated to access an underlying account. (CVE-2026-34909)
- A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS devices to execute a Command Injection. (CVE-2026-34910)
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Upgrade Ubiquiti UniFi OS to version 5.1.12 or later.See Also
Plugin Details
Severity: Critical
ID: 324968
File Name: ubnt_unifi_os_5_1_12.nasl
Version: 1.2
Type: Remote
Family: Misc.
Published: 7/3/2026
Updated: 7/6/2026
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Critical
Score: 9.3
Percentile: 99.81
CVSS v2
Risk Factor: Critical
Base Score: 10
Temporal Score: 8.3
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2026-34908
CVSS v3
Risk Factor: Critical
Base Score: 10
Temporal Score: 9.3
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:F/RL:O/RC:C
CVSS Score Source: CVE-2026-34910
Vulnerability Information
CPE: x-cpe:/o:ubnt:unifi
Required KB Items: Host/UBNT_UniFi/Version
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 5/22/2026
Vulnerability Publication Date: 5/22/2026
CISA Known Exploited Vulnerability Due Dates: 6/26/2026
Reference Information
CVE: CVE-2026-34908, CVE-2026-34909, CVE-2026-34910
IAVA: 2026-A-0632