CVE-2026-25823

CRITICAL

9.8

Descricao

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.

Detalhes CVE

Pontuacao CVSS v3.19.8

SeveridadeCRITICAL

Vetor CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado3/13/2026

Ultima modificacao3/16/2026

Fontenvd

Avistamentos honeypot0

Fraquezas (CWE)

CWE-121

Referencias

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@mitre.org)

https://www.hms-networks.com/p/flexy20500-00ma-ewon-flexy-205(cve@mitre.org)

Correlacoes IOC

Sem correlacoes registradas

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