Out-of-bounds Read in Eclipse Threadx Netx Duo
CVE-2025-55085
In NextX Duo before 6.4.4, in the HTTP client module, the network support code for Eclipse Foundation ThreadX, the parsing of HTTP header fields was missing bounds verification. A crafted server response could cause undefined behavior.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.006 (47.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 47.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000
Affected products
- Eclipse Threadx Netx Duo
- Eclipse Foundation Netx Duo — versions 0
Weakness classification (CWE)
References
- github.com/eclipse-threadx/netxduo/security/advisories/GHSA-9c77-rgp9-c2g2 (Exploit, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-55085?
- CVE-2025-55085 is a high-severity vulnerability in Eclipse Threadx Netx Duo, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2025-10-17.
- How severe is CVE-2025-55085?
- High severity. CVSS v3 base score is 7.5 out of 10.