CVE-2025-26339: A CWE-306 "Missing Authentication for Critical Function" in maxtime/handleRoute.lua in Q-Free MaxTime less tha

Q: How do I fix CVE-2025-26339?

maxtime: upgrade to newer than 2.11.0. Exact commands for each OS are on this page.

Q: Is CVE-2025-26339 being exploited?

CVE-2025-26339 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-26339 affect?

CVE-2025-26339 affects maxtime. Severity is critical (CVSS 9.8). 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 availab

Q: How urgent is CVE-2025-26339?

Priority 56/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2025-26339 is a critical-severity flaw (CVSS 9.8) affecting maxtime. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.1% (top 34%)
CISA exploited list	No
Weakness	CWE-306
Published	2025-02-12
Last modified	2026-06-17

Publisher (CNA): Nozomi Networks Inc. · Vendor: q-free

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-02-12 14:15 UTCPublished CVE record published
2026-06-17 09:01 UTCUpdated Record last modified

q-free maxtime UPGRADE

Affected: <= 2.11.0

Fixed in: newer than 2.11.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy maxtime || rpm -q maxtime || maxtime --version

2. UPGRADE to newer than 2.11.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade maxtime

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade maxtime

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-26339?

maxtime: upgrade to newer than 2.11.0. Exact commands for each OS are on this page.

Is CVE-2025-26339 being exploited?

CVE-2025-26339 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-26339 affect?

CVE-2025-26339 affects maxtime. Severity is critical (CVSS 9.8). 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 availab

How urgent is CVE-2025-26339?

Priority 56/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

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CVE-2025-26376 MEDIUM 6.5 UPGRADE A CWE-862 "Missing Authorization" in maxprofile/users/routes.lua in Q-Free MaxTime less than or equal to versi
CVE-2025-26375 HIGH 8.8 UPGRADE A CWE-862 "Missing Authorization" in maxprofile/users/routes.lua in Q-Free MaxTime less than or equal to versi
CVE-2025-26374 MEDIUM 6.5 UPGRADE A CWE-862 "Missing Authorization" in maxprofile/users/routes.lua (users endpoint) in Q-Free MaxTime less than

References

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