CVE-2026-21635
CVE-2026-21635 is a medium-severity vulnerability in Ui Unifi Connect Ev Station Lite Firmware with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.
Key facts
- Severity: Medium (CVSS 3.x base score 5.3)
- EPSS exploit prediction: 0% (3rd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-0830
- Weakness: CWE-284
- Affected product: Ui Unifi Connect Ev Station Lite Firmware
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2026-21635?
- 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.
- How severe is CVE-2026-21635?
- CVE-2026-21635 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2026-21635 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-21635?
- CVE-2026-21635 affects Ui Unifi Connect Ev Station Lite Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-21635?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-21635 have an EU (EUVD) identifier?
- Yes. CVE-2026-21635 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-0830.
- When was CVE-2026-21635 published?
- CVE-2026-21635 was published on 2026-01-05 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:ui:unifi_connect_ev_station_lite_firmware:*:*:*:*:*:*:*:*
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