How severe is CVE-2025-55085?

CVE-2025-55085 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-55085 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-55085?

CVE-2025-55085 affects Eclipse Threadx Netx Duo. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-55085?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-55085 have an EU (EUVD) identifier?

Yes. CVE-2025-55085 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-34883.

When was CVE-2025-55085 published?

CVE-2025-55085 was published on 2025-10-17 and last updated on 2026-06-17.

CVE-2025-55085

CVE-2025-55085 is a high-severity vulnerability in Eclipse Threadx Netx Duo with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 8.8
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-34883
Weakness: CWE-125
Affected product: Eclipse Threadx Netx Duo
Published: 2025-10-17
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-55085?: 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.
How severe is CVE-2025-55085?: CVE-2025-55085 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-55085 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-55085?: CVE-2025-55085 affects Eclipse Threadx Netx Duo. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-55085?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-55085 have an EU (EUVD) identifier?: Yes. CVE-2025-55085 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-34883.
When was CVE-2025-55085 published?: CVE-2025-55085 was published on 2025-10-17 and last updated on 2026-06-17.

References

https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-9c77-rgp9-c2g2

Affected products (1)

cpe:2.3:a:eclipse:threadx_netx_duo:*:*:*:*:*:*:*:*

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