CVE-2026-77547
Received Received - Intake

Command Injection in UniFi Access Application

Publication date: 2026-08-26

Last updated on: 2026-08-26

Assigner: fe490ce8-0395-4072-90d8-2707e1bdf984

Description
A malicious actor with access to the network and low privileges could exploit an Improper Input Validation vulnerability found in UniFi Access Application to execute a Command Injection on the host device.

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Meta Information

Published
2026-08-26
Last Modified
2026-08-26
Generated
2026-08-26
AI Q&A
2026-08-26
EPSS Evaluated
N/A
NVD
CVE-2026-77547
EUVD
EUVD-2026-66392

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
ubiquiti unifi_access_application *

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-20 The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

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Executive Summary

This is a Command Injection vulnerability in the UniFi Access Application. A low-privilege attacker with network access can exploit improper input validation to inject and execute arbitrary commands on the host device.

Impact Analysis

An attacker could gain full control over the affected device, leading to potential data theft, system compromise, or further network infiltration. This could disrupt operations or allow unauthorized access to sensitive information.

Compliance Impact

This vulnerability could lead to unauthorized access or data breaches, violating GDPR (data protection) and HIPAA (health information privacy) requirements. Non-compliance may result in legal penalties, fines, or reputational damage.

Mitigation Strategies

Immediately update the UniFi Access Application to the latest patched version. Restrict network access to the application to trusted users only. Monitor network traffic for unusual command injection attempts or unauthorized access patterns.

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