CVE-2026-25622: CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in Arista Networks Arista Edge Threat Management - Arista Next Generation Firewall (NGFW)
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.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-25622) involves improper neutralization of special elements used in OS commands (CWE-78) within the Captive Portal Custom Handler of Arista Edge Threat Management - Arista NGFW. It allows an authenticated administrative user to execute arbitrary shell commands on the underlying platform via crafted input to the user interface. The CVSS 3.1 vector indicates network attack vector, low attack complexity, high privileges required, no user interaction, unchanged scope, high confidentiality impact, low integrity impact, and low availability impact.
Potential Impact
Successful exploitation allows an administrative user to execute arbitrary shell commands on the affected platform, potentially leading to unauthorized disclosure of information (high confidentiality impact), limited integrity compromise, and limited availability impact. Since administrative privileges are required, the risk is limited to users with such access. There are no reports of exploitation in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict administrative access to trusted personnel only and monitor for unusual command execution activity. Avoid exposing the management interface to untrusted networks.
CVE-2026-25622: CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in Arista Networks Arista Edge Threat Management - Arista Next Generation Firewall (NGFW)
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.
CVSS v3.1
Score 6.0medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-25622) involves improper neutralization of special elements used in OS commands (CWE-78) within the Captive Portal Custom Handler of Arista Edge Threat Management - Arista NGFW. It allows an authenticated administrative user to execute arbitrary shell commands on the underlying platform via crafted input to the user interface. The CVSS 3.1 vector indicates network attack vector, low attack complexity, high privileges required, no user interaction, unchanged scope, high confidentiality impact, low integrity impact, and low availability impact.
Potential Impact
Successful exploitation allows an administrative user to execute arbitrary shell commands on the affected platform, potentially leading to unauthorized disclosure of information (high confidentiality impact), limited integrity compromise, and limited availability impact. Since administrative privileges are required, the risk is limited to users with such access. There are no reports of exploitation in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict administrative access to trusted personnel only and monitor for unusual command execution activity. Avoid exposing the management interface to untrusted networks.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Arista
- Date Reserved
- 2026-02-03T22:23:04.359Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a232f23e29bf47b50ba9e2b
Added to database: 06/05/2026, 20:18:43 UTC
Last enriched: 06/05/2026, 20:34:14 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 63
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