---
cve: "CVE-2026-19901"
severity: "CRITICAL"
cvss: 9.2
epss: "0.8%"
vendor: "LB-LINK"
kev: false
exploited: false
published: "2026-08-15 17:15:07"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-10-21T11:36:59+02:00"
---

# CVE-2026-19901

> 9.2 CRITICAL · 🧪 PoC

## Beschreibung

A security flaw has been discovered in LB-LINK X-PRO 1.0.22-20231206. This affects an unknown function of the file /etc/config/easycwmp. The manipulation results in hard-coded credentials. It is possible to launch the attack remotely. Attacks of this nature are highly complex. The exploitability is reported as difficult. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

## CNA-Record (Kanon, cvelistV5)

- CNA: **VulDB**
- State: PUBLISHED
- Stand: 2026-08-18 02:19:59
- CNA-CVSS: **9.2** (`CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P`)

## CISA-Anreicherung (vulnrichment/ADP)

- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **poc**
  - Automatable: **no**
  - Technical Impact: **total**

## CVSS-Vektor

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

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

## Schwachstellen-Klasse

- **CWE-259** — Use of Hard-coded Password
  The product contains a hard-coded password, which it uses for its own inbound authentication or for outbound communication to external components.
- **CWE-798** — Use of Hard-coded Credentials
  The product contains hard-coded credentials, such as a password or cryptographic key.

## Referenzen

- <https://vuldb.com/vuln/390091>
- <https://vuldb.com/vuln/390091/cti>
- <https://vuldb.com/cve/CVE-2026-19901>
- <https://vuldb.com/submit/870763>
- <https://github.com/DavCloudz/cve/blob/main/B-Link/Hardcoded%20TR-069%20(easycwmp)%20Remote%20Management%20Credentials.md>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/sicherheitsluecken/cve-2026-19901/) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_