How severe is CVE-2025-55094?

CVE-2025-55094 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 high, integrity none, and availability none.

Is CVE-2025-55094 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-55094?

CVE-2025-55094 affects Eclipse Threadx Netx Duo. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-55094?

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-2025-55094 have an EU (EUVD) identifier?

Yes. CVE-2025-55094 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-34869.

When was CVE-2025-55094 published?

CVE-2025-55094 was published on 2025-10-17 and last updated on 2026-06-17.

CVE-2025-55094

CVE-2025-55094 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: 6.9
EPSS exploit prediction: 0% (29th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-34869
Weakness: CWE-125
Affected product: Eclipse Threadx Netx Duo
Published: 2025-10-17
Last modified: 2026-06-17

Description

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_icmpv6_validate_options() when handling a packet with ICMP6 options.

Frequently asked questions

What is CVE-2025-55094?: 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_icmpv6_validate_options() when handling a packet with ICMP6 options.
How severe is CVE-2025-55094?: CVE-2025-55094 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 high, integrity none, and availability none.
Is CVE-2025-55094 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-55094?: CVE-2025-55094 affects Eclipse Threadx Netx Duo. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-55094?: 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-2025-55094 have an EU (EUVD) identifier?: Yes. CVE-2025-55094 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-34869.
When was CVE-2025-55094 published?: CVE-2025-55094 was published on 2025-10-17 and last updated on 2026-06-17.

References

https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-rf32-h832-hg8r

Affected products (1)

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

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