VULNERABILITY INTELLIGENCE

CVE-2026-25823

CVSS score9.8 CRITICAL

EPSS probability0.75%

CISA KEVNot currently listed

Published2026-03-13

Last modified2026-06-17

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 a stack buffer overflow that leads to a Denial of Service, which can also be exploited to achieve Unauthenticated Remote Code Execution.