CVE-2018-5264

Name: CVE-2018-5264
Creator: NVD / NIST
Published: 2019-06-07T16:29:00.5+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.49%

Last modified Jun 17, 2026

CVE-2018-5264 is a vulnerability of currently unknown severity. Ubiquiti UniFi 52 devices, when Hotspot mode is used, allow remote attackers to bypass intended restrictions on "free time" Wi-Fi usage by sending a /guest/s/default/ request to obtain a cookie, and then using this cookie in a /guest/s/default/login request with the byfree parameter.. EPSS estimates a 1.49% chance of exploitation in the next 30 days.

Description

Ubiquiti UniFi 52 devices, when Hotspot mode is used, allow remote attackers to bypass intended restrictions on "free time" Wi-Fi usage by sending a /guest/s/default/ request to obtain a cookie, and then using this cookie in a /guest/s/default/login request with the byfree parameter.

Metrics

EPSS Probability

1.49%

70.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-284

Affected Software

Vendor	Product	Versions
Ui	Unifi Firmware	All versions

References

https://www.red4sec.com/cve/unifi.txtExploit, Third Party Advisory
https://www.red4sec.com/cve/unifi.txtExploit, Third Party Advisory

Timeline

Published: Jun 7, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-5264?

How severe is CVE-2018-5264?

Severity scoring for CVE-2018-5264 is pending analysis. The EPSS model estimates a 1.49% probability of exploitation in the next 30 days.

How do I fix CVE-2018-5264?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-5264?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST