CVE-2025-0727 Information

Description

In NetX HTTP server functionality of Eclipse ThreadX NetX Duo before version 6.4.2 an attacker can cause an integer underflow and a subsequent denial of service by writing a very large file by specially crafted packets with Content-Length in one packet smaller than the data request size of the other packet. A possible workaround is to disable HTTP PUT support.

Reference

https://github.com/eclipse-threadx/netxduo/commit/c78d650be7377aae1a8704bc0ce5cc6f9f189014 https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-jf6x-9mgc-p72w