CVE-2025-26343: A CWE-1390 "Weak Authentication" in the PIN authentication mechanism in Q-Free MaxTime less than or equal to v

Q: How do I fix CVE-2025-26343?

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

Q: Is CVE-2025-26343 being exploited?

CVE-2025-26343 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-2025-26343 affect?

CVE-2025-26343 affects maxtime. Severity is high (CVSS 8.1). 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.

Q: How urgent is CVE-2025-26343?

Priority 48/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 8.1REMOTEUPGRADE

CVE-2025-26343 is a high-severity flaw (CVSS 8.1) affecting maxtime. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	8.1 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.9% (top 40%)
CISA exploited list	No
Weakness	CWE-1390
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-2025-26343?

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

Is CVE-2025-26343 being exploited?

CVE-2025-26343 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-2025-26343 affect?

CVE-2025-26343 affects maxtime. Severity is high (CVSS 8.1). 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 urgent is CVE-2025-26343?

Priority 48/100. High severity; Remotely exploitable, no login, no user action

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References

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