How severe is CVE-2025-0726?

CVE-2025-0726 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-2025-0726 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-0726?

CVE-2025-0726 affects Eclipse Threadx Netx Duo. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-0726?

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-2025-0726 have an EU (EUVD) identifier?

Yes. CVE-2025-0726 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-5084.

When was CVE-2025-0726 published?

CVE-2025-0726 was published on 2025-02-21 and last updated on 2026-06-17.

CVE-2025-0726

CVE-2025-0726 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% (49th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-5084
Weakness: CWE-459
Affected product: Eclipse Threadx Netx Duo
Published: 2025-02-21
Last modified: 2026-06-17

Description

In NetX HTTP server functionality of Eclipse ThreadX NetX Duo before version 6.4.2, 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.

Frequently asked questions

What is CVE-2025-0726?: In NetX HTTP server functionality of Eclipse ThreadX NetX Duo before version 6.4.2, 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.
How severe is CVE-2025-0726?: CVE-2025-0726 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-2025-0726 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-0726?: CVE-2025-0726 affects Eclipse Threadx Netx Duo. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-0726?: 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-2025-0726 have an EU (EUVD) identifier?: Yes. CVE-2025-0726 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-5084.
When was CVE-2025-0726 published?: CVE-2025-0726 was published on 2025-02-21 and last updated on 2026-06-17.

References

Affected products (1)

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

More vulnerabilities in Eclipse Threadx Netx Duo

CVE-2025-55086 — Critical (CVSS 9.8): In NetXDuo version before 6.4.4, a networking support module for Eclipse Foundation ThreadX, in the DHCPV6 client there…
CVE-2025-55081 — Critical (CVSS 9.1): In Eclipse Foundation NextX Duo before 6.4.4, a module of ThreadX, the _nx_secure_tls_process_clienthello() function…
CVE-2026-11576 — High (CVSS 7.5): The security fix for CVE-2025-0728 in eclipse-threadx NetX Duo refactors error handling in the HTTP server PUT process…
CVE-2025-55102 — High (CVSS 7.5): A denial-of-service vulnerability exists in the NetX IPv6 component functionality of Eclipse ThreadX NetX Duo. A…
CVE-2025-55085 — High (CVSS 7.5): In NextX Duo before 6.4.4, in the HTTP client module, the network support code for Eclipse Foundation ThreadX, the…
CVE-2025-55094 — High (CVSS 7.5): In NetX Duo before 6.4.4, the networking support module for Eclipse Foundation ThreadX, there was a potential out of…

All CVEs affecting Eclipse Threadx Netx Duo →

Other CWE-459 vulnerabilities

CVE-2023-36468 — Critical (CVSS 9.9): XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. When an XWiki…
CVE-2022-45347 — Critical (CVSS 9.8): Apache ShardingSphere-Proxy prior to 5.3.0 when using MySQL as database backend didn't cleanup the database session…
CVE-2021-45330 — Critical (CVSS 9.8): An issue exsits in Gitea through 1.15.7, which could let a malicious user gain privileges due to client side cookies…
CVE-2021-45706 — Critical (CVSS 9.8): An issue was discovered in the zeroize_derive crate before 1.1.1 for Rust. Dropped memory is not zeroed out for an enum.
CVE-2021-32928 — Critical (CVSS 9.8): The Sentinel LDK Run-Time Environment installer (Versions 7.6 and prior) adds a firewall rule named “Sentinel License…
CVE-2020-13451 — Critical (CVSS 9.8): An incomplete-cleanup vulnerability in the Office rendering engine of Gotenberg through 6.2.1 allows an attacker to…

Browse all CWE-459 vulnerabilities →