CVE-2026-110454 in UniFi Protect AI Key
Summary
by MITRE • 10/14/2026
A malicious actor with access to the network could exploit an Improper Access Control vulnerability found in UniFi Protect AI Key to access internal resources through the device.
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Analysis
by VulDB Data Team • 10/14/2026
The identified security flaw represents a critical failure in identity verification and authorization mechanisms within the UniFi Protect AI Key hardware appliance. This improper access control vulnerability allows any entity with network-level connectivity to bypass intended restrictions, effectively granting unauthorized entry into the system's internal resource space. In modern IoT and smart home ecosystems, devices like the AI Key serve as gateways for video surveillance data processing and management. When such a device lacks robust authentication protocols or fails to validate user privileges before executing commands, it creates an open pathway for attackers who have already established a foothold on the local network segment. This scenario is particularly dangerous because physical proximity often correlates with network access in many deployment environments, making this vulnerability accessible to individuals within range of the Wi-Fi or Ethernet infrastructure without requiring complex remote exploitation techniques.
From a technical perspective, the root cause lies in the misconfiguration or absence of strict role-based access controls on specific API endpoints or administrative interfaces exposed by the device. The attacker can likely interact with internal services that are intended only for authenticated administrators or system processes. By sending crafted requests to these unprotected resources, the malicious actor can retrieve sensitive configuration data, manipulate surveillance settings, or potentially escalate privileges to gain deeper control over the network infrastructure connected to the UniFi Protect ecosystem. This type of flaw is commonly categorized under CWE-269 Improper Privilege Management and CWE-862 Missing Authorization, indicating that while access might be granted based on some criteria, the system fails to verify if the user has the specific rights required for the requested action. The lack of proper session management or token validation further exacerbates this risk, allowing replay attacks or simple enumeration attempts to succeed without detection by standard logging mechanisms unless specifically configured otherwise.
The operational impact of exploiting this vulnerability is severe and multifaceted. Initially, it leads to a complete compromise of confidentiality regarding the surveillance infrastructure's configuration details, including network topology, connected device lists, and potentially stored credentials for other services integrated with UniFi Protect. Beyond data exfiltration, an attacker could alter recording schedules, disable alerts, or delete critical video footage, thereby undermining the primary purpose of the security system which is to provide reliable monitoring and evidence retention. In more advanced attack chains, this access could serve as a pivot point to launch lateral movement attacks against other devices on the same network segment. Since smart home networks often lack strict micro-segmentation, compromising one device can lead to the compromise of personal computers, servers, or other IoT gadgets sharing the same broadcast domain. This significantly increases the attack surface and elevates the risk from a localized incident to a widespread organizational breach.
To mitigate these risks, immediate action is required at both the configuration and network architecture levels. Administrators should ensure that all firmware on UniFi Protect devices is updated to the latest version provided by Ubiquiti Inc., as patches for improper access control vulnerabilities are typically released in security-focused updates. Network segmentation is crucial; placing surveillance equipment and IoT devices on a separate VLAN isolated from critical corporate or personal networks limits the blast radius of any potential compromise. Additionally, enforcing strong authentication policies, such as multi-factor authentication where supported by the management interface, adds an essential layer of defense against unauthorized access attempts. Monitoring network traffic for anomalous behavior directed at known vulnerable endpoints can also aid in early detection and response to exploitation attempts before significant damage occurs.