CVE-2026-25621

Name: CVE-2026-25621
Creator: NVD / NIST
Published: 2026-06-05T20:17:30.637+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7/10EPSS 0.22%

Last modified Jun 17, 2026

CVE-2026-25621 is a high-severity vulnerability rated 7/10 on the CVSS scale. A Reports application infrastructure vulnerability exists in Arista Edge Threat Management - Arista Next Generation Firewall (NGFW) due to insecure input validation. This issue uniquely affects version 17.4.0; earlier software releases are not exposed.. EPSS estimates a 0.22% chance of exploitation in the next 30 days.

Description

A Reports application infrastructure vulnerability exists in Arista Edge Threat Management - Arista Next Generation Firewall (NGFW) due to insecure input validation. This issue uniquely affects version 17.4.0; earlier software releases are not exposed.

Metrics

CVSS 3.1

6/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:L

CVSS 4.0

7/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:L/VA:L/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:P/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.22%

12.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions
Arista	Ng Firewall	17.4

References

https://www.arista.com/en/support/advisories-notices/security-advisory/23399-security-advisory-0133Vendor Advisory

Timeline

Published: Jun 5, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-25621?

How severe is CVE-2026-25621?

CVE-2026-25621 has a CVSS score of 7/10 (HIGH severity). The EPSS model estimates a 0.22% probability of exploitation in the next 30 days.

How do I fix CVE-2026-25621?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-25621?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST