---
cve: "CVE-2026-9621"
severity: "LOW"
cvss: 3.1
epss: "3.1%"
vendor: "Generic Security"
kev: false
exploited: false
published: "2026-09-01 14:17:49"
tags: [cve, security, low]
source: tsecurity.de CVE-Dossier
exported: "2026-09-02T11:55:28+02:00"
---

# CVE-2026-9621

> 3.1 LOW

## Beschreibung

A denial-of-service security issue exists within RSLinx® Classic. The security issue stems from improper handling of a malformed packet. A crafted CIP packet can cause the RSLinx® Classic service to crash, requiring a restart of the service to recover

## Referenzen

- <https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1794.html>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-9621) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_