NetX Duo <6.4.2 HTTP Integer Underflow/DoS
CVE-2025-0728 Published on February 21, 2025
Eclipse ThreadX NetX Duo HTTP server single PUT request integer underflow
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 smaller than the data request size. A
possible workaround is to disable HTTP PUT support.
Weakness Type
What is an Integer underflow Vulnerability?
The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result. This can happen in signed and unsigned cases.
CVE-2025-0728 has been classified to as an Integer underflow vulnerability or weakness.
Products Associated with CVE-2025-0728
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Affected Versions
Eclipse Foundation ThreadX:- Before 6.4.1 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.