Medium severity · published Oct 16, 2025
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…
6.5
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 31% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TN
Threadx Netx Duo · Eclipse
before 6.4.4.202503 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-55090
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-55090
Vendor Advisory
https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-cf2g-j6vv-m8c5
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