---
cve: "CVE-2025-26343"
severity: "HIGH"
cvss: 8.1
epss: "0.9%"
vendor: "Q-Free"
kev: false
exploited: false
published: "2025-02-12 14:15:34"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-22T03:07:35+02:00"
---

# CVE-2025-26343

> 8.1 HIGH

## Beschreibung

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.

## CVSS-Vektor

```
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Hoch | good |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Hoch | bad |

## Schwachstellen-Klasse

- **CWE-1390** — Weak Authentication
  The product uses an authentication mechanism to restrict access to specific users or identities, but the mechanism does not sufficiently prove that the claimed identity is correct.

## Referenzen

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

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2025-26343) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_