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

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.011 (64.7th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-26339: held from 0.011 to 0.011.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: +0.000

Affected products

Weakness classification (CWE)

References

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.