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CVE-2026-25622

6.0 · MEDIUM

A Captive Portal Custom Handler command injection vulnerability exists in Arista Edge Threat Management - Arista Next Generation Firewall (NGFW).

Published Jun 5, 2026aristaCWE-78EPSS 9.34%

Overview

CVE-2026-25622 is a medium-severity vulnerability affecting arista ng_firewall. It was published on June 5, 2026 and has a CVSS 3.1 base score of 6.0 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.0, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

A Captive Portal Custom Handler command injection vulnerability exists in Arista Edge Threat Management - Arista Next Generation Firewall (NGFW). On affected platforms, an administrative account logged into the user interface can exploit this input handling behavior to execute arbitrary platform shell commands.

Remediation

Check the references section for vendor advisories and patches from arista. Update ng_firewall to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
aristang_firewall>= 0, < 17.4.1Affected

References

Refwww.arista.com/en/support/advisories-notices/security-advisory/23399-security-advisory-0133

How CyberStrike helps

Frequently asked questions

What is CVE-2026-25622?

CVE-2026-25622 is a medium-severity vulnerability affecting arista ng_firewall. It was published on June 5, 2026 and has a CVSS 3.1 base score of 6.0 (MEDIUM).

How severe is CVE-2026-25622?

This vulnerability has a CVSS 3.1 base score of 6.0, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-25622?

Check the references section for vendor advisories and patches from arista. Update ng_firewall to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-25622?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-25622 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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