Threat landscape
medium

Arista NG Firewall: Mehrere Schwachstellen ermöglichen Codeausführung und Cross-Site Scripting

WID-SEC-2026-0350 · first 10.02.2026 · updated 08.06.2026 · CVSS 7,2

×

What it is about

Die Arista Next-Generation Firewall ist eine Netzwerksicherheitslösung, die darauf ausgelegt ist, den Netzwerkverkehr zu inspizieren und Bedrohungen zu blockieren. Ein entfernter Administrator kann mehrere Schwachstellen in Arista NG Firewall ausnutzen, um beliebigen Programmcode auszuführen und Cross-Site-Scripting-Angriffe durchzuführen.

Under what conditions?

Over the network.

What can happen in the worst case

An attacker could use the vulnerability to

  • beliebigen Programmcode auszuführen
  • Cross-Site-Scripting-Angriffe durchzuführen

Am I affected?

Affected according to the BSI:

  • Arista NG Firewall <17.4.0

The installed version is usually shown under “Help → About” or in the device’s admin interface.

What helps?

Update to at least:

  • Arista NG Firewall 17.4.0

Is the vulnerability already being exploited?

None of the CVEs is in the CISA catalogue of exploited vulnerabilities. That does not mean there are no attacks, only that none are documented.

Information and sources

CVE: CVE-2025-6978, CVE-2026-25620, CVE-2026-25621, CVE-2026-25622, CVE-2026-25623, CVE-2026-25624

Source: BSI warning and information service (CERT-Bund); CISA. The assessment of the conditions is my reading of the BSI text; the external pages are in their original language.

Set up in an hour, trained in a week.

Create a free account, add your team, unlock the course. You only pay when you start. Would you rather see what a test email looks like first? The self-test is free.

Add your team Test it yourself first