CVE-2025-55093 Out of bound read and write in _nx_ipv4_packet_receive() when handling unicast DHCP messages
Out-of-bounds read and write in NetX Duo's IPv4 packet handler allows attackers to corrupt memory, potentially leading to code execution or denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-55093?
CVE-2025-55093 is a medium-severity memory corruption vulnerability in Eclipse Foundation NetX Duo, published on 17 Oct 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Which versions are affected by CVE-2025-55093?
It affects 1 product.
Products include Eclipse Threadx Netx Duo.
How do I fix CVE-2025-55093?
No fix has been published for CVE-2025-55093 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-55093 being exploited?
There is no known exploitation of CVE-2025-55093 in the wild and no public exploit code.
Other vulnerabilities in Eclipse Foundation NetX Duo
- CVE-2025-55085 Web http client: Unchecked Server-Side Malicious Packet Issue
- CVE-2025-55102 Denial of service in Eclipse ThreadX - NetX Duo
- CVE-2026-11576 Memory corruption in Eclipse ThreadX - NetX Duo
- CVE-2025-2260 Eclipse ThreadX NetX Duo HTTP component server denial of service
- CVE-2025-0726 Eclipse ThreadX NetX Duo HTTP server denial of service
Sources
Also known as GHSA-c9pq-93jp-w649.