---
cve: "CVE-2026-0667"
severity: "CRITICAL"
cvss: 9.3
epss: "37%"
vendor: "Schneider Electric"
kev: false
exploited: false
published: "2026-07-29 13:17:29"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-04T07:47:56+02:00"
---

# CVE-2026-0667

> 9.3 CRITICAL

## Beschreibung

CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability that could cause arbitrary code execution, denial of service and loss of confidentiality & integrity when communicating over the Modbus TCP protocol.

## 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 |

## Schwachstellen-Klasse

- **CWE-754** — Improper Check for Unusual or Exceptional Conditions
  The product does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the product.

## Referenzen

- <https://download.se.com/files?p_Doc_Ref=SEVD-2026-041-01&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2026-041-01.pdf>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-0667) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_