CVE-2025-0726 Eclipse ThreadX NetX Duo HTTP server denial of service
An attacker can cause a denial of service in Eclipse ThreadX NetX Duo by sending crafted packets that trigger a file handle leak, requiring an upgrade to fix.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-0726?
CVE-2025-0726 is a high-severity denial of service vulnerability in Eclipse Foundation ThreadX, published on 21 Feb 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
In NetX HTTP server functionality of Eclipse ThreadX NetX Duo before version 6.4.2, an attacker can cause a denial of service by specially crafted packets. The core issue is missing closing of a file in case of an error condition, resulting in the 404 error for each further file request. Users can work-around the issue by disabling the PUT request support.
Weakness: CWE-459
Which versions are affected by CVE-2025-0726?
It affects 1 product.
Products include Eclipse Threadx Netx Duo.
How do I fix CVE-2025-0726?
No fix has been published for CVE-2025-0726 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-0726 being exploited?
There is no known exploitation of CVE-2025-0726 in the wild and no public exploit code.
Other vulnerabilities in Eclipse Foundation ThreadX
- CVE-2025-55085 Web http client: Unchecked Server-Side Malicious Packet Issue
- CVE-2025-55102 Denial of service in Eclipse ThreadX - NetX Duo
- CVE-2026-11576 Memory corruption in Eclipse ThreadX - NetX Duo
- CVE-2025-2260 Eclipse ThreadX NetX Duo HTTP component server denial of service
- CVE-2024-2452 Integer wraparound, under-allocation, and heap buffer overflow in Eclipse ThreadX NetX Duo __portable_aligned_alloc()
Sources
Also known as GHSA-pwf8-5q9w-m763.