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CVE-2025-55085

Eclipse Threadx Netx Duo out-of-bounds read

7.5 HIGHPublic exploitEPSS 0.61%
  1. Published17 Oct 2025

Description

In NextX Duo before 6.4.4, in the HTTP client module, the network support code for Eclipse Foundation ThreadX, the parsing of HTTP header fields was missing bounds verification. A crafted server response could cause undefined behavior.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

Eclipse Threadx Netx Duo< 6.4.4.202503

Remediation

Fixed in
Eclipse Threadx Netx Duo≥ 6.4.4.202503

References

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Frequently asked

Is CVE-2025-55085 being actively exploited?

CVE-2025-55085 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.61%.

How severe is CVE-2025-55085?

CVE-2025-55085 has a CVSS 3.1 base score of 7.5, rated high. EPSS estimates a 0.61% probability of exploitation.

Which products are affected by CVE-2025-55085?

Affected products include Eclipse Threadx Netx Duo.

How do I fix CVE-2025-55085?

Upgrade affected software to a fixed version, for example Eclipse Threadx Netx Duo 6.4.4.202503 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-55085 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.