How severe is CVE-2025-26347?

CVE-2025-26347 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-26347 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-26347?

CVE-2025-26347 affects Q-free Maxtime. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-26347?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2025-26347 have an EU (EUVD) identifier?

Yes. CVE-2025-26347 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-4159.

When was CVE-2025-26347 published?

CVE-2025-26347 was published on 2025-02-12 and last updated on 2026-06-17.

CVE-2025-26347

CVE-2025-26347 is a critical-severity vulnerability in Q-free Maxtime with a CVSS 3.x base score of 9.8. 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-306.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-4159
Weakness: CWE-306
Affected product: Q-free Maxtime
Published: 2025-02-12
Last modified: 2026-06-17

Description

A CWE-306 "Missing Authentication for Critical Function" in maxprofile/menu/routes.lua in Q-Free MaxTime less than or equal to version 2.11.0 allows an unauthenticated remote attacker to edit user permissions via crafted HTTP requests.

Frequently asked questions

What is CVE-2025-26347?: A CWE-306 "Missing Authentication for Critical Function" in maxprofile/menu/routes.lua in Q-Free MaxTime less than or equal to version 2.11.0 allows an unauthenticated remote attacker to edit user permissions via crafted HTTP requests.
How severe is CVE-2025-26347?: CVE-2025-26347 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-26347 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-26347?: CVE-2025-26347 affects Q-free Maxtime. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-26347?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-26347 have an EU (EUVD) identifier?: Yes. CVE-2025-26347 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-4159.
When was CVE-2025-26347 published?: CVE-2025-26347 was published on 2025-02-12 and last updated on 2026-06-17.

References

https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2025-26347

Affected products (1)

cpe:2.3:a:q-free:maxtime:*:*:*:*:*:*:*:*

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