CVE-2026-77543
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-2026-77543
EUVD
EUVD-2026-66384

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 vulnerability is a Command Injection flaw in the UniFi Access Application. It allows a low-privilege attacker with network access to execute arbitrary commands on the host device due to improper input validation.

Impact Analysis

An attacker could gain control of the affected device, steal data, install malware, or disrupt operations. This could lead to unauthorized access, data breaches, or system compromise.

Compliance Impact

This vulnerability could lead to data breaches, violating GDPR and HIPAA requirements for data protection and confidentiality. Organizations may face fines, legal penalties, and 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 execution patterns or unauthorized access attempts.

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