CVE-2025-55080: Eclipse Threadx

High severity, CVSS 7.1. EPSS: 0.1% chance of exploitation in the next 30 days.

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.

Affected products

• Eclipse Threadx: before 6.4.3 (fixed in 6.4.3)

Published 2025-10-15. Last modified 2026-10-08.