Authenticated remote code execution in HMS Networks Ewon Flexy 205
Priority HIGH 72CWE-94Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-94.
Summary
A code injection vulnerability in HMS Networks Ewon Flexy 205 allows executing commands on system level on the device. This issue affects Ewon Flexy 205: through 14.8s0 (#2633).
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0064 50th 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
- Total
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 205 | up to 14.8s0 (#2633) | — | No fix listed | CNA |
- Ewon Flexy 205 VendorHMS Networks Affected up to 14.8s0 (#2633) Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-9154
- 2026-10-03 Alias added: GHSA-fx37-r27p-w9f7
- 2026-10-23 EPSS moved to the 50th–90th percentile
References
More HMS Networks vulnerabilities
- TI-2025-00350 HMS Networks Ewon Flexy 202 Cleartext Transmission of Sensitive Information CVSS 4.0MEDIUM 6.9
- 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-2024-9154 · CVE Program
- CVE-2024-9154 · NVD
- FIRST EPSS
- GHSA-fx37-r27p-w9f7 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences