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.

CVSS 4.0

7.2CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

7.1CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

EPSS

0.1% chance of exploitation in the next 30 days; higher than 3% of CVEs (scores of 2026-10-25)

CWE

CWE-233

Published

2025-10-15

Modified

2026-10-08

Record from

the NVD, synced 2026-10-19

Affected

• eclipse:threadx

References

• https://github.com/eclipse-threadx/threadx/security/advisories/GHSA-76hh-wrj5-hr2v

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