CVE-2025-2259: Eclipse ThreadX NetX Duo component HTTP server single PUT request integer underflow
First published: Sun Apr 06 2025(Updated: )
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
Credit: emo@eclipse.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Eclipse ThreadX | <6.4.3 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2025-2259?
CVE-2025-2259 has a severity rating of medium due to its potential for denial of service attacks.
How do I fix CVE-2025-2259?
To mitigate CVE-2025-2259, upgrade Eclipse ThreadX NetX Duo to version 6.4.3 or later.
What type of attack does CVE-2025-2259 facilitate?
CVE-2025-2259 facilitates a denial of service attack by exploiting an integer underflow.
Which versions of Eclipse ThreadX NetX Duo are affected by CVE-2025-2259?
Versions of Eclipse ThreadX NetX Duo prior to 6.4.3 are affected by CVE-2025-2259.
What are the implications of CVE-2025-2259 for users of Eclipse ThreadX NetX Duo?
Users of Eclipse ThreadX NetX Duo may experience service disruption due to the denial of service vulnerabilities introduced by CVE-2025-2259.
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