CVE-2025-2259 – Eclipse ThreadX NetX Duo HTTP Server Integer Underflow Denial of Service

The following table lists the changes that have been made to the
CVE-2025-2259 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Apr. 06, 2025

    Action Type Old Value New Value
    Added Description In NetX HTTP server functionality of Eclipse ThreadX NetX Duo before
    version 6.4.3, 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.

    This issue follows an incomplete fix of CVE-2025-0727

    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CWE CWE-191
    Added Reference https://github.com/eclipse-threadx/netxduo/commit/fb3195bbb6d0d6fe71a7a19585c008623c217f9e
    Added Reference https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-chhp-gmxc-46rq
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