CVE-2026-25622
Arista Edge Threat Management NGFW Captive Portal Custom Handler Command Injection
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.
INFO
Published Date :
June 5, 2026, 8:17 p.m.
Last Modified :
July 23, 2026, 7:10 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | MEDIUM | c8b34d1a-69ae-45c3-88fe-f3b3d44f39b7 | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | HIGH | c8b34d1a-69ae-45c3-88fe-f3b3d44f39b7 | ||||
| CVSS 4.0 | HIGH | [email protected] |
Solution
- Update Arista Edge Threat Management firmware.
- Update Arista NGFW firmware.
- Restrict administrative access to the user interface.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-25622.
| URL | Resource |
|---|---|
| https://www.arista.com/en/support/advisories-notices/security-advisory/23399-security-advisory-0133 | Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-25622 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-25622
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-25622 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-25622 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Translated by [email protected]
Jul. 23, 2026
Action Type Old Value New Value Added Translation Title: Arista Edge Threat Management - Arista Next Generation Firewall (NGFW) de Arista Networks, Description: Existe una vulnerabilidad de inyección de comandos en el Gestor Personalizado de Portal Cautivo en Arista Edge Gestión de Amenazas - Cortafuegos de Próxima Generación de Arista (NGFW). En plataformas afectadas, una cuenta administrativa conectada a la interfaz de usuario puede explotar este comportamiento de manejo de entrada para ejecutar comandos de shell de plataforma arbitrarios. -
CVE Modified by [email protected]
Jun. 17, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'Arista Networks', 'product': 'Arista Edge Threat Management - Arista Next Generation Firewall (NGFW)', 'versions': [{'status': 'affected', 'version': '0', 'versionType': 'custom', 'lessThanOrEqual': '17.4.0'}], 'platforms': ['Arista Edge Threat Management - Arista Next Generation Firewall (Formerly Untangle)'], 'defaultStatus': 'unaffected'}] -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 17, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-25622', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-06-05T20:26:51.450858Z'} -
Initial Analysis by [email protected]
Jun. 08, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:arista:ng_firewall:*:*:*:*:*:*:*:* versions up to (excluding) 17.4.1 Added Reference Type Arista Networks, Inc.: https://www.arista.com/en/support/advisories-notices/security-advisory/23399-security-advisory-0133 Types: Vendor Advisory -
New CVE Received by [email protected]
Jun. 05, 2026
Action Type Old Value New Value Added 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. Added CVSS V4.0 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 Added CVSS V3.1 AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:L Added CWE CWE-78 Added Reference https://www.arista.com/en/support/advisories-notices/security-advisory/23399-security-advisory-0133