How severe is CVE-2025-26343?

CVE-2025-26343 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-26343 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-26343?

CVE-2025-26343 affects Q-free Maxtime. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-26343?

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

Does CVE-2025-26343 have an EU (EUVD) identifier?

Yes. CVE-2025-26343 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-4155.

When was CVE-2025-26343 published?

CVE-2025-26343 was published on 2025-02-12 and last updated on 2026-06-17.

CVE-2025-26343

CVE-2025-26343 is a high-severity vulnerability in Q-free Maxtime with a CVSS 3.x base score of 8.1. 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-1390.

Key facts

Severity: High (CVSS 3.x base score 8.1)
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-4155
Weakness: CWE-1390
Affected product: Q-free Maxtime
Published: 2025-02-12
Last modified: 2026-06-17

Description

A CWE-1390 "Weak Authentication" in the PIN authentication mechanism in Q-Free MaxTime less than or equal to version 2.11.0 allows an unauthenticated remote attacker to brute-force user PINs via multiple crafted HTTP requests.

Frequently asked questions

What is CVE-2025-26343?: A CWE-1390 "Weak Authentication" in the PIN authentication mechanism in Q-Free MaxTime less than or equal to version 2.11.0 allows an unauthenticated remote attacker to brute-force user PINs via multiple crafted HTTP requests.
How severe is CVE-2025-26343?: CVE-2025-26343 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-26343 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-26343?: CVE-2025-26343 affects Q-free Maxtime. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-26343?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-26343 have an EU (EUVD) identifier?: Yes. CVE-2025-26343 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-4155.
When was CVE-2025-26343 published?: CVE-2025-26343 was published on 2025-02-12 and last updated on 2026-06-17.

References

https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2025-26343

Affected products (1)

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

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