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TI-2026-20724 Aliases CVE-2026-25620GHSA-533r-r386-qc78

Arista Edge Threat Management NGFW Captive Portal Encrypted Password Command Injection

Priority MEDIUM 43CWE-78Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-78.

Summary

An encrypted password command injection vulnerability exists in the Captive Portal application framework of Arista Edge Threat Management - Arista Next Generation Firewall (NGFW). This issue uniquely affects version 17.4.0; earlier software releases are not exposed.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.09339 95th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
AristaArista Edge Threat Management - Arista Next Generation Firewall (NGFW)17.4.0—No fix listedCNA
  • Arista Edge Threat Management - Arista Next Generation Firewall (NGFW) VendorArista Affected 17.4.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:arista:ng_firewall:17.4:*:*:*:*:*:*:*17.4VulnerableArista
  • cpe:2.3:a:arista:ng_firewall:17.4:*:*:*:*:*:*:* Versions 17.4 Vulnerable ·Arista

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-25620
  2. 2026-10-03 Alias added: GHSA-533r-r386-qc78
  3. 2026-10-25 EPSS moved to the 95th–99th percentile
  4. 2026-10-25 Priority changed: LOW → MEDIUM

References

Advisory 1

  • TI-2024-08481 The administrator is able to configure an insecure captive portal script CVSS 3.1CRITICAL 9.8
  • TI-2024-08482 A user with administrator privileges is able to retrieve authentication tokens CVSS 3.1MEDIUM 6.6
  • TI-2024-18496 SQL injection in Arista Edge Threat Management - Arista NG Firewall CVSS 3.1HIGH 8.8
  • TI-2025-02419 Cross-site scripting in Arista NG Firewall CVSS 3.1CRITICAL 9.6
  • TI-2026-20726 Arista Edge Threat Management NGFW Captive Portal Custom Handler Command Injection CVSS 4.0HIGH 7.0
  • TI-2024-11889 OS command injection in Arista NG Firewall CVSS 3.1HIGH 8.8
See all 19 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences