CVE-2026-25818

Published: Mar 13, 2026 Last Modified: Mar 16, 2026
ExploitDB:
Other exploit source:
Google Dorks:
CRITICAL 9,1
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: none

Description

AI Translation Available

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.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0002
Percentile
0,0th
Updated

EPSS Score Trend (Last 4 Days)

315

Cleartext Storage of Sensitive Information in a Cookie

Draft
Abstraction: Variant Structure: Simple
Common Consequences
Security Scopes Affected:
Confidentiality
Potential Impacts:
Read Application Data
Applicable Platforms
All platforms may be affected
View CWE Details
https://hmsnetworks.blob.core.windows.net/nlw/docs/default-…
https://hmsnetworks.blob.core.windows.net/nlw/docs/default-source/products/cybe…
https://www.hms-networks.com/p/flexy20500-00ma-ewon-flexy-2…
https://www.hms-networks.com/p/flexy20500-00ma-ewon-flexy-205