---
cve: "CVE-2026-73455"
severity: "HIGH"
cvss: 8.9
epss: "48%"
vendor: "Arista Networks"
kev: false
exploited: false
published: "2026-09-16 10:16:52"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-18T22:35:19+02:00"
---

# CVE-2026-73455

> 8.9 HIGH

## Beschreibung

On affected platforms running Arista EOS with Open Shortest Path First version 3 (OSPFv3) configured, a specially crafted packet can cause the OSPFv3 agent to restart unexpectedly.

## CVSS-Vektor

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

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

## Referenzen

- <https://www.arista.com/en/support/advisories-notices/security-advisory/24729-security-advisory-0173>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-73455) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_