---
cve: "CVE-2026-109813"
severity: "HIGH"
cvss: 8.6
epss: ""
vendor: "Moxa"
kev: false
exploited: false
published: "2026-10-16 03:18:02"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-10-27T11:23:42+01:00"
---

# CVE-2026-109813

> 8.6 HIGH

## Beschreibung

A hard-coded cryptographic key vulnerability exists in the `/usr/bin/sysman` of some of Moxa's industrial computing products. An unauthenticated attacker with adjacent network access could exploit the exposed private key material to compromise the confidentiality and integrity of communications.

## CNA-Record (Kanon, cvelistV5)

- CNA: **Moxa**
- State: PUBLISHED
- Stand: 2026-10-16 13:54:15
- CNA-CVSS: **8.6** (`CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N`)

## CISA-Anreicherung (vulnrichment/ADP)

- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **none**
  - Automatable: **no**
  - Technical Impact: **partial**

## CVSS-Vektor

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

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

## Schwachstellen-Klasse

- **CWE-321** — Use of Hard-coded Cryptographic Key
  The product uses a hard-coded, unchangeable cryptographic key.

## Referenzen

- <https://www.moxa.com/en/support/product-support/security-advisory/mpsa-262560-cve-2026-109812,-cve-2026-109813-vulnerabilities-in-industrial-computing-products>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/sicherheitsluecken/cve-2026-109813/) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_