CVEvulnerability

CVE-2026-25818

9.1 CRITICAL Published 2026-03-13 Modified 2026-06-17 Official page ↗
Status
Deferred
Published
2026-03-13
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
9.1 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weaknesses
CWE-315

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 weak entropy for authentication cookies, allowing an attacker with a stolen session cookie to find the user password by brute-forcing an encryption parameter.

Related

Weakness · CWE (1)

  • CWE-315 Cleartext Storage of Sensitive Information in a Cookie weakness

References