---
cve: "CVE-2026-71187"
severity: "CRITICAL"
cvss: 9.3
epss: "60.9%"
vendor: "Ebyte"
kev: false
exploited: false
published: "2026-08-28 00:18:09"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-06T19:24:19+02:00"
---

# CVE-2026-71187

> 9.3 CRITICAL · 🧪 PoC

## Beschreibung

The Ebyte device relies on client side authentication logic that can be 
reproduced by unauthenticated users. An attacker may generate valid 
authentication requests and bypass authentication to obtain 
administrative access to the device.

## CVSS-Vektor

```
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |

## Referenzen

- <https://www.cisa.gov/news-events/ics-advisories/icsa-26-237-06>
- <https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-237-06.json>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-71187) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_