Medium severity · published Oct 17, 2025
CVE-2025-55093
Out of bound read and write in _nx_ipv4_packet_receive() when handling unicast DHCP messages
5.3
CVSS
0.3%
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() when handling unicast DHCP messages that could cause corruption of 4 bytes of memory.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 24% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ND
NetX Duo · Eclipse Foundation
before 6.4.4 · source: vendor
TN
Threadx Netx Duo · Eclipse
before 6.4.4.202503 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-55093
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-55093
Vendor Advisory
https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-c9pq-93jp-w649
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