CVE-2025-0432

HMS Networks Ewon Flexy 202 Cleartext Transmission of Sensitive Information

Description

EWON Flexy 202 transmits user credentials in clear text with no encryption when a user is added, or user credentials are changed via its webpage.

Remediation

Workaround:

  • To ensure the highest level of security when using the Ewon Flexy device, HMS strongly recommend following these best practices: * Integrate with Talk2M Cloud: Always use the Flexy device in conjunction with Talk2M cloud. This guarantees a robust security level for your remote access connections. * Follow the the guidelines outlined here: Best Practices for Secure Usage of the Ewon Solution https://hmsnetworks.blob.core.windows.net/nlw/docs/default-source/products/ewon/manuals-and-guides---installation-guides/best-practices-for-a-secure-usage-of-the-ewon-solution-en.pdf * Disable Unused Protocols: Regularly review and disable any unsecure protocols that are not in use. Learn how to do this here: How to Block Unused Ewon Services https://support.hms-networks.com/hc/en-us/articles/19393244940818-How-to-block-all-the-unused-Ewon-Flexy-Cosy131-services-on-the-LAN-WAN-and-or-VPN-interface For further information, please visit the HMS Security Advisories https://www.hms-networks.com/cyber-security  page.

Category

6.9
CVSS
Severity: Medium
CVSS 4.0 •
CVSS 3.1 •
EPSS 0.01%
Affected: HMS Networks Ewon Flexy 202
Published at:
Updated at:

References

Link Tags
https://www.cisa.gov/news-events/ics-advisories/icsa-25-023-06
https://www.hms-networks.com/cyber-security
https://hmsnetworks.blob.core.windows.net/nlw/docs/default-source/products/ewon/manuals-and-guides---installation-guides/best-practices-for-a-secure-usage-of-the-ewon-solution-en.pdf?sfvrsn=37160847_4
https://support.hms-networks.com/hc/en-us/articles/19393244940818-How-to-block-all-the-unused-Ewon-Flexy-Cosy131-services-on-the-LAN-WAN-and-or-VPN-interface

Frequently Asked Questions

What is the severity of CVE-2025-0432?
CVE-2025-0432 has been scored as a medium severity vulnerability.
How to fix CVE-2025-0432?
As a workaround for remediating CVE-2025-0432: To ensure the highest level of security when using the Ewon Flexy device, HMS strongly recommend following these best practices: * Integrate with Talk2M Cloud: Always use the Flexy device in conjunction with Talk2M cloud. This guarantees a robust security level for your remote access connections. * Follow the the guidelines outlined here: Best Practices for Secure Usage of the Ewon Solution https://hmsnetworks.blob.core.windows.net/nlw/docs/default-source/products/ewon/manuals-and-guides---installation-guides/best-practices-for-a-secure-usage-of-the-ewon-solution-en.pdf * Disable Unused Protocols: Regularly review and disable any unsecure protocols that are not in use. Learn how to do this here: How to Block Unused Ewon Services https://support.hms-networks.com/hc/en-us/articles/19393244940818-How-to-block-all-the-unused-Ewon-Flexy-Cosy131-services-on-the-LAN-WAN-and-or-VPN-interface For further information, please visit the HMS Security Advisories https://www.hms-networks.com/cyber-security  page.
Is CVE-2025-0432 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-0432 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-0432?
CVE-2025-0432 affects HMS Networks Ewon Flexy 202.
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