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CVE-2026-25622— Arista Edge Threat Management NGFW Captive Portal Custom Handler Command Injection

Quick assessment

Affected
Arista Networks Arista Edge Threat Management - Arista Next Generation Firewall (NGFW)
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Arista Edge Threat Management - Arista Next Generation Firewall是美国Arista公司的一款集下一代防火墙、入侵防御、Web过滤、应用控制和网络威胁防护于一体的统一网络安全平台。 Arista Edge Threat Management - Arista Next Generation Firewall存在安全漏洞，该漏洞源于Captive Portal自定义处理程序存在命令注入问题，可能导致登录用户界面的管理账户利用此输入处理行为执行任意平

CVSS 6.0 · Medium EPSS 0.97% · P61

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Arista Networks Arista Edge Threat Management - Arista Next Generation Firewall (NGFW) ≤ 17.4.0 affected
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I. Basic Information for CVE-2026-25622

Vulnerability Information
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Vulnerability Title
Arista Edge Threat Management NGFW Captive Portal Custom Handler Command Injection
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Arista Edge Threat Management - Arista Next Generation Firewall 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Arista Edge Threat Management - Arista Next Generation Firewall是美国Arista公司的一款集下一代防火墙、入侵防御、Web过滤、应用控制和网络威胁防护于一体的统一网络安全平台。 Arista Edge Threat Management - Arista Next Generation Firewall存在安全漏洞，该漏洞源于Captive Portal自定义处理程序存在命令注入问题，可能导致登录用户界面的管理账户利用此输入处理行为执行任意平
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Arista Networks Arista Edge Threat Management - Arista Next Generation Firewall (NGFW) 0 ~ 17.4.0 -

II. Public POCs for CVE-2026-25622

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-25622

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Vendor Advisories for CVE-2026-25622 (1)

Same Patch Batch · Arista Networks · 2026-06-05 · 10 CVEs total

CVE-2025-5088 8.3 HIGH Arista CloudVision Exchange (CVX) Cluster Privilege Escalation via MCS Redis Session
CVE-2025-5089 6.5 MEDIUM Arista EOS SysDB Agent Denial of Service via Malformed CVX Client/Server Messages
CVE-2025-5090 6.5 MEDIUM Arista CloudVision Exchange Cluster Instability via Unexpected Switch Messages
CVE-2026-25621 6.0 MEDIUM Arista Edge Threat Management NGFW Reports Application Insecure Input Validation
CVE-2026-25620 6.0 MEDIUM Arista Edge Threat Management NGFW Captive Portal Encrypted Password Command Injection
CVE-2026-25623 6.0 MEDIUM Arista Edge Threat Management NGFW UI Arbitrary Command Execution
CVE-2026-2379 5.9 MEDIUM Arista EOS IPsec Tunnel Sequence Number Mismatch via Interface Flaps when Anti-Replay is D
CVE-2026-7473 5.8 MEDIUM Arista EOS Unexpected Tunnel Protocol Decapsulation and Forwarding Bypass
CVE-2026-25624 5.7 MEDIUM Arista Edge Threat Management NGFW UI Administrative Cross-Site Scripting

IV. Related Vulnerabilities

Same product: Arista Edge Threat Management - Arista Next Generation Firewall (NGFW)
Same vendor: Arista Networks
Same weakness: CWE-78

V. Comments for CVE-2026-25622

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