NetX Duo <6.4.4 OOB Read in _nx_ipv4_packet_receive ThreadX networking module
CVE-2025-55093 Published on October 17, 2025
Out of bound read and write in _nx_ipv4_packet_receive() when handling unicast DHCP messages
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.
Weakness Type
Buffer Over-read
The software reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locations after the targeted buffer. This typically occurs when the pointer or its index is incremented to a position beyond the bounds of the buffer or when pointer arithmetic results in a position outside of the valid memory location to name a few. This may result in exposure of sensitive information or possibly a crash.
Affected Versions
Eclipse Foundation NetX Duo:- Before 6.4.4 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.