How severe is CVE-2025-55090?

CVE-2025-55090 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability low.

Is CVE-2025-55090 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-55090?

CVE-2025-55090 affects Eclipse Threadx Netx Duo. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-55090?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-55090 have an EU (EUVD) identifier?

Yes. CVE-2025-55090 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-34724.

When was CVE-2025-55090 published?

CVE-2025-55090 was published on 2025-10-16 and last updated on 2026-06-17.

CVE-2025-55090

CVE-2025-55090 is a medium-severity vulnerability in Eclipse Threadx Netx Duo with a CVSS 3.x base score of 6.5. 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: Medium (CVSS 3.x base score 6.5)
CVSS v4: 6.9
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-34724
Weakness: CWE-125
Affected product: Eclipse Threadx Netx Duo
Published: 2025-10-16
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_ipv4_packet_receive() function when received an Ethernet frame with less than 4 bytes of IP packet.

Frequently asked questions

What is CVE-2025-55090?: 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_ipv4_packet_receive() function when received an Ethernet frame with less than 4 bytes of IP packet.
How severe is CVE-2025-55090?: CVE-2025-55090 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability low.
Is CVE-2025-55090 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-55090?: CVE-2025-55090 affects Eclipse Threadx Netx Duo. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-55090?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-55090 have an EU (EUVD) identifier?: Yes. CVE-2025-55090 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-34724.
When was CVE-2025-55090 published?: CVE-2025-55090 was published on 2025-10-16 and last updated on 2026-06-17.

References

https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-cf2g-j6vv-m8c5

Affected products (1)

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

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