Resource exhaustion in N/a

CVE-2026-25819

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.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.005 (38.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

  • N/a — versions n/a

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-25819?
CVE-2026-25819 is a high-severity vulnerability in N/a, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-03-13.
How severe is CVE-2026-25819?
High severity. CVSS v3 base score is 7.5 out of 10.