CVE-2026-25823

—

CVSS 3.1

9.8 critical

EPSS

<1%p52

Published

Mar 13, 2026 (Mar 13, 2026)

Modified

Jun 17, 2026

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.

Weakness: CWE-121
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.7%)

In the news0 stories

No ingested article mentions this CVE yet.