# CVE-2025-6979 — Arista Edge Threat Management - Arista Next Generation Firewall

> As of 2025-10-23, CVE-2025-6979 is a HIGH-severity vulnerability in Arista Edge Threat Management - Arista Next Generation Firewall, CVSS v3.1 8.8, EPSS 0.5% (43.0th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2025-6979, most recently “CVE-2025-6978: Authenticated Diagnostics Command Injection Leading to Root RCE in Arista NG Firewall”.

**Last updated:** 2025-10-23

## What is CVE-2025-6979?

Captive Portal can allow authentication bypass

The record classifies CVE-2025-6979 under weakness class [CWE-287](https://intel.threadlinqs.com/cwe/CWE-287). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs a user to take an action first, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 370 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 8.8 — HIGH (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H`)
- **EPSS (FIRST):** 0.5% probability of exploitation in the next 30 days, higher than 43.0% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 6.1/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2025-10-23

## Is CVE-2025-6979 being exploited?

It currently carries a trending score of 16 in the Threadlinqs vulnerability feed.

## Affected products and versions

- [Arista Networks](https://intel.threadlinqs.com/vendors/arista-networks): Arista Edge Threat Management - Arista Next Generation Firewall

## How to fix CVE-2025-6979

No vendor patch reference has been recorded for CVE-2025-6979 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2025-6979

1 tracked threat in the Threadlinqs corpus references CVE-2025-6979, either in the campaign’s CVE list or as an indicator on the campaign record.

- [CVE-2025-6978: Authenticated Diagnostics Command Injection Leading to Root RCE in Arista NG Firewall](https://intel.threadlinqs.com/threat/TL-2026-1550) — HIGH · 2026-07-19

## Sources

Enriched from CVE.org, FIRST EPSS. Last verified by Threadlinqs on 2026-10-10.

**Other references**

- [https](https://https//www.arista.com/en/support/advisories-notices/security-advisory/22535-security-advisory-0123)

Canonical: https://intel.threadlinqs.com/cve/CVE-2025-6979
Full detection coverage and IOCs for threats exploiting CVE-2025-6979 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp