HMS Networks Ewon Flexy 202 Cleartext Transmission of Sensitive Information
Priority MEDIUM 64CWE-319Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-319.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00144 3rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| HMS Networks | Ewon Flexy 202 | All | — | No fix listed | CNA |
- Ewon Flexy 202 VendorHMS Networks Affected All Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-0432
- 2026-10-03 Alias added: GHSA-qgfq-x64c-2prw
References
Other 4
- 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
More HMS Networks vulnerabilities
- TI-2024-08499 Authenticated remote code execution in HMS Networks Ewon Flexy 205 CVSS 4.0HIGH 8.6
- TI-2020-11349 HMS Industrial Networks AB eCatcher Stack-based Buffer Overflow CVSS 3.1CRITICAL 10.0
- TI-2024-22369 A compromised HMS Networks Cosy+ device could be used to request a Certificate Signing… CVSS 3.1CRITICAL 9.1
- TI-2024-22366 Insecure Permission vulnerability in Cosy+ devices running a firmware 21.x below 21.2s10… CVSS 3.1HIGH 8.8
- TI-2024-22364 Insecure Permissions vulnerability in Cosy+ devices running a firmware 21.x below 21.2s10… CVSS 3.1HIGH 7.5
- TI-2024-22368 Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 are… CVSS 3.1HIGH 7.2
Sources
- CVE-2025-0432 · CVE Program
- CVE-2025-0432 · NVD
- FIRST EPSS
- GHSA-qgfq-x64c-2prw · GitHub Advisory Database · CC BY 4.0
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