CVE-2026-25823

Published: Mar 13, 2026 Last Modified: Mar 13, 2026
ExploitDB:
Other exploit source:
Google Dorks:
CRITICAL 9,8
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: high

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 a stack buffer overflow that leads to a Denial of Service, which can also be exploited to achieve Unauthenticated Remote Code Execution.

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
0,0019
Percentile
0,4th
Updated

EPSS Score Trend (Last 3 Days)

121

Stack-based Buffer Overflow

Draft
Abstraction: Variant Structure: Simple
Common Consequences
Security Scopes Affected:
Availability Integrity Confidentiality Access Control Other
Potential Impacts:
Modify Memory Dos: Crash, Exit, Or Restart Dos: Resource Consumption (Cpu) Dos: Resource Consumption (Memory) Execute Unauthorized Code Or Commands Bypass Protection Mechanism Other
Applicable Platforms
Languages: C, C++, Memory-Unsafe
Likelihood of Exploit: High
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