CVE-2026-25823 | THREATINT

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.

PUBLISHED Reserved 2026-02-06 | Published 2026-03-12 | Updated 2026-03-13 | Assigner mitre

References

www.hms-networks.com/p/flexy20500-00ma-ewon-flexy-205

hmsnetworks.blob.core.windows.net/....pdf?sfvrsn=f7c027b8_13

cve.org (CVE-2026-25823)

nvd.nist.gov (CVE-2026-25823)

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