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CVE-2025-27212

9.8 · CRITICAL

An Improper Input Validation in certain UniFi Access devices could allow a Command Injection by a malicious actor with access to UniFi Access management network.

Published Aug 4, 2025CWE-20EPSS 1.21%

Overview

CVE-2025-27212 is a critical-severity vulnerability. It was published on August 4, 2025 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

An Improper Input Validation in certain UniFi Access devices could allow a Command Injection by a malicious actor with access to UniFi Access management network.

Affected Products:

UniFi Access Reader Pro (Version 2.14.21 and earlier)

UniFi Access G2 Reader Pro (Version 1.10.32 and earlier)

UniFi Access G3 Reader Pro (Version 1.10.30 and earlier)

UniFi Access Intercom (Version 1.7.28 and earlier)

UniFi Access G3 Intercom (Version 1.7.29 and earlier)

UniFi Access Intercom Viewer (Version 1.3.20 and earlier)

Mitigation:

Update UniFi Access Reader Pro Version 2.15.9 or later

Update UniFi Access G2 Reader Pro Version 1.11.23 or later

Update UniFi Access G3 Reader Pro Version 1.11.22 or later

Update UniFi Access Intercom Version 1.8.22 or later

Update UniFi Access G3 Intercom Version 1.8.22 or later

Update UniFi Access Intercom Viewer Version 1.4.39 or later

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refcommunity.ui.com/releases/Security-Advisory-Bulletin-051-051/583fa6e1-3d85-42ec-a453-651d1653c9b3

How CyberStrike helps

Frequently asked questions

What is CVE-2025-27212?

CVE-2025-27212 is a critical-severity vulnerability. It was published on August 4, 2025 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2025-27212?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2025-27212?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-27212?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-27212 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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