How severe is CVE-2025-2260?

CVE-2025-2260 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-2025-2260 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-2260?

CVE-2025-2260 affects Eclipse Threadx Netx Duo. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-2260?

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-2025-2260 have an EU (EUVD) identifier?

Yes. CVE-2025-2260 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10015.

When was CVE-2025-2260 published?

CVE-2025-2260 was published on 2025-04-06 and last updated on 2026-06-17.

CVE-2025-2260

CVE-2025-2260 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-459.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 7.1
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-10015
Weakness: CWE-459
Affected product: Eclipse Threadx Netx Duo
Published: 2025-04-06
Last modified: 2026-06-17

Description

In NetX HTTP server functionality of Eclipse ThreadX NetX Duo before version 6.4.3, an attacker can cause a denial of service by specially crafted packets. The core issue is missing closing of a file in case of an error condition, resulting in the 404 error for each further file request. Users can work-around the issue by disabling the PUT request support. This issue follows an incomplete fix of CVE-2025-0726.

Frequently asked questions

What is CVE-2025-2260?: In NetX HTTP server functionality of Eclipse ThreadX NetX Duo before version 6.4.3, an attacker can cause a denial of service by specially crafted packets. The core issue is missing closing of a file in case of an error condition, resulting in the 404 error for each further file request. Users can work-around the issue by disabling the PUT request support. This issue follows an incomplete fix of CVE-2025-0726.
How severe is CVE-2025-2260?: CVE-2025-2260 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-2025-2260 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-2260?: CVE-2025-2260 affects Eclipse Threadx Netx Duo. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-2260?: 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-2025-2260 have an EU (EUVD) identifier?: Yes. CVE-2025-2260 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10015.
When was CVE-2025-2260 published?: CVE-2025-2260 was published on 2025-04-06 and last updated on 2026-06-17.

References

Affected products (1)

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

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