Description

HMS Networks Ewon Flexy with firmware before 15.0s4, Cosy+ with firmware 22.xx before 22.1s6, and Cosy+ with firmware 23.xx before 23.0s3 have improper neutralization of special elements used in an OS command allowing remote code execution by attackers with low privilege access on the gateway, provided the attacker has credentials.

INFO

Published Date :

2026-03-12T00:00:00.000Z

Last Modified :

2026-03-13T12:55:53.874Z

Source :

mitre
AFFECTED PRODUCTS

The following products are affected by CVE-2026-25817 vulnerability.

Vendors Products
Hms-networks
  • Ewon Cosy
  • Ewon Flexy
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-25817.

URL Resource
https://hmsnetworks.blob.core.windows.net/nlw/docs/default-source/products/cybersecurity/security-advisory/hms-security-advisory-2026-03-09-001---ewon-several-flexy-and-cosy--vulnerabilities.pdf?sfvrsn=f7c027b8_13 cve-icon cve-icon
https://www.hms-networks.com/p/flexy20500-00ma-ewon-flexy-205 cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact