CVE-2025-2259

HIGH

7.5

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

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published4/6/2025

Last Modified7/31/2025

Sourcenvd

Honeypot Sightings0

Affected Products

eclipse:threadx_netx_duo

Weaknesses (CWE)

CWE-191

References

https://github.com/eclipse-threadx/netxduo/commit/fb3195bbb6d0d6fe71a7a19585c008623c217f9e(emo@eclipse.org)

https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-chhp-gmxc-46rq(emo@eclipse.org)

https://www.talosintelligence.com/vulnerability_reports/TALOS-2024-2104(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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