Is CVE-2026-21635 actively exploited?

CVE-2026-21635 has no public evidence of in-the-wild exploitation as of 2026-01-30.

What is the CVSS score for CVE-2026-21635?

CVE-2026-21635 has a CVSS score of 5.3 (MEDIUM severity). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

How do I patch CVE-2026-21635?

Patch guidance is available from ui security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-21635.

Which products are affected by CVE-2026-21635?

1 product: ui unifi connect ev station lite firmware.

CVE-2026-21635 - remediation guidance & executive summary

Description

An Improper Access Control could allow a malicious actor in Wi-Fi range to the EV Station Lite (v1.5.2 and earlier) to use WiFi AutoLink feature on a device that was only adopted via Ethernet.

CVSS Metrics

Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector: adjacent network
Complexity: high
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: none
Availability: none
Weaknesses: CWE-284

Metadata

Primary Vendor: UI
Published: 1/5/2026
Last Modified: 1/30/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2026-21635

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary