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.
History

Fri, 13 Mar 2026 13:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-400
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 13 Mar 2026 10:00:00 +0000

Type Values Removed Values Added
First Time appeared Hms-networks
Hms-networks ewon Cosy
Hms-networks ewon Flexy
Vendors & Products Hms-networks
Hms-networks ewon Cosy
Hms-networks ewon Flexy

Thu, 12 Mar 2026 21:45:00 +0000

Type Values Removed Values Added
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.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2026-03-12T00:00:00.000Z

Updated: 2026-03-13T13:00:16.705Z

Reserved: 2026-02-06T00:00:00.000Z

Link: CVE-2026-25819

cve-icon Vulnrichment

Updated: 2026-03-13T13:00:09.762Z

cve-icon NVD

Status : Received

Published: 2026-03-13T19:54:27.627

Modified: 2026-03-13T19:54:27.627

Link: CVE-2026-25819

cve-icon Redhat

No data.