Vulnerability 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
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Eclipse | Threadx Netx Duo | < 6.4.3 |
Related Weaknesses (CWE)
References
- https://github.com/eclipse-threadx/netxduo/commit/fb3195bbb6d0d6fe71a7a19585c008Patch
- https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-chhp-gmxc-46Vendor Advisory
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2024-2104Third Party Advisory
FAQ
What is CVE-2025-2259?
CVE-2025-2259 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 spe...
How severe is CVE-2025-2259?
CVE-2025-2259 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-2259?
Check the references section above for vendor advisories and patch information. Affected products include: Eclipse Threadx Netx Duo.