CVE-2025-0727

High

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.

SeverityHigh

CVSS7.5

Exploit probability—

ProductEclipse Threadx Netx Duo

PublishedFeb 21, 2025

First seenFeb 21, 2025

Weakness typeCWE-191CWE-191

How to fix

Update

eclipse threadx_netx_duo6.4.2 or later

Patches

github.com/eclipse-threadx/netxduo/commit/c78d650be7377aae1a8704bc0ce5cc6f9f189014

Vendor advisories

github.com/eclipse-threadx/netxduo/security/advisories/GHSA-jf6x-9mgc-p72w

Affected products

Product	Affected versions	Fixed in
eclipse threadx_netx_duo	v < 6.4.2	6.4.2

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