What is CVE-2025-26339?

CVE-2025-26339 is a critical-severity vulnerability in Q-Free Maxtime, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2025-02-12.

How severe is CVE-2025-26339?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Q-Free Maxtime

CVE-2025-26339

A CWE-306 "Missing Authentication for Critical Function" in maxtime/handleRoute.lua in Q-Free MaxTime less than or equal to version 2.11.0 allows an unauthenticated remote attacker to affect the device confidentiality, integrity, or availability in multiple unspecified ways via crafted HTTP requests.

Vulnerability class: Broken Authentication

EPSS: 0.011 (61.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Q-free Maxtime — versions 0

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

prodsec@nozominetworks.com (Third Party Advisory)

Frequently asked questions

What is CVE-2025-26339?: CVE-2025-26339 is a critical-severity vulnerability in Q-Free Maxtime, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2025-02-12.
How severe is CVE-2025-26339?: Critical severity. CVSS v3 base score is 9.8 out of 10.