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Vulnerabilities

Vulnerability · CVE-2025-55090

In NetX Duo before 6.4.4, the networking support module for Eclipse Foundation ThreadX, there was a potential out of bound read issue in _nx_ipv4_packet_receive() function when rec

Published Oct 16, 2025 · catalog updated Oct 16, 2025 · Eclipse Foundation NetX Duo

Last checked Nov 1, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-55090. EPSS is 0.37%. Act only if a listed version of Eclipse Foundation NetX Duo is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium6.9
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.37%
Remediation
Version ranges on file
Affected products
vendor Eclipse Foundation NetX Duo 0 <6.4.4

In NetX Duo before 6.4.4, the networking support module for Eclipse Foundation ThreadX, there was a potential out of bound read issue in _nx_ipv4_packet_receive() function when received an Ethernet frame with less than 4 bytes of IP packet.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Eclipse Foundation NetX Duo 0 <6.4.40 <6.4.4

How to fix CVE-2025-55090

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-55090. EPSS is 0.37%. Act only if a listed version of Eclipse Foundation NetX Duo is installed.

Which versions are affected?

Compare what you have installed with Eclipse Foundation NetX Duo 0 <6.4.4 0 <6.4.4. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.37%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 16, 2025 · EUVD

    Detected

    In NetX Duo before 6.4.4, the networking support module for Eclipse Foundation ThreadX, there was a potential out of bound read issue in _nx_ipv4_packet_receive() function when received an Ethernet frame with less than 4 bytes of IP packet.

  2. Oct 16, 2025 · EUVD

    Updated

    In NetX Duo before 6.4.4, the networking support module for Eclipse Foundation ThreadX, there was a potential out of bound read issue in _nx_ipv4_packet_receive() function when received an Ethernet frame with less than 4 bytes of IP packet.

Sources

  • CVE.orgVulnerability recordCVE-2025-55090

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-55090

    30-day exploitation probability 0.37%

    first.org
  • EUVDVulnerability recordEUVD-2025-34724

    In NetX Duo before 6.4.4, the networking support module for Eclipse Foundation ThreadX, there was a potential out of bound read issue in _nx_ipv4_packet_receive() function when received an Ethernet frame with less than 4 bytes of IP packet.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 1, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 1, 2026
  • CVE.orgOct 26, 2026
  • EUVDOct 26, 2026