What is CVE-2025-55080?

CVE-2025-55080 is a high-severity vulnerability in Eclipse Threadx, classified under CWE-233. CVSS score: 7.1/10. Published 2025-10-15.

How severe is CVE-2025-55080?

High severity. CVSS v3 base score is 7.1 out of 10.

Vulnerability in Eclipse Threadx

CVE-2025-55080

In Eclipse ThreadX before 6.4.3, when memory protection is enabled, syscall parameters verification wasn't enough, allowing an attacker to obtain an arbitrary memory read/write.

Published 2025-10-15 · last modified 2026-10-08.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.001 (2.9th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 2.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

Eclipse Threadx
Eclipse Foundation Threadx — versions 0

Weakness classification (CWE)

CWE-233

References

github.com/eclipse-threadx/threadx/security/advisories/GHSA-76hh-wrj5-hr2v (vendor-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2025-55080?: CVE-2025-55080 is a high-severity vulnerability in Eclipse Threadx, classified under CWE-233. CVSS score: 7.1/10. Published 2025-10-15.
How severe is CVE-2025-55080?: High severity. CVSS v3 base score is 7.1 out of 10.