CVE-2026-25819

7.5 HIGH

Published: March 13, 2026 Modified: March 16, 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 allows unauthenticated attackers to cause a Denial of Service by using a specially crafted HTTP request that leads to a reboot of the device, provided they have access to the device's GUI.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

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

Source: cve@mitre.org

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

Source: cve@mitre.org

2 reference(s) from NVD

Quick Stats

CVSS v3 Score

7.5 / 10.0

EPSS (Exploit Probability)

0.3%

51th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-400

Related CVEs

CVE-2026-4519 N/A

CVE-2026-4487 8.8

CVE-2026-33312 N/A

CVE-2026-29794 5.3

CVE-2026-22172 9.9