cbcvebase.
CVE-2026-25823
published 2026-03-13

CVE-2026-25823: 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…

PriorityP269critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
0.73%
49.4th percentile
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.
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