CVE-2025-55079: threadx DoS — Exploit

Description

In Eclipse ThreadX before version 6.4.3, the thread module has a setting of maximum priority. In some cases the check of that maximum priority wasn't performed, allowing, as a result, to obtain a thread with higher priority than expected and causing a possible denial of service.

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CVSS v3.1 Score

5.5

MEDIUM

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

Weakness Type (CWE)

CWE-770 CWE-770

Affected Products

Vendor	Product	Versions
eclipse	threadx	< 6.4.3

References

Exploits

https://github.com/eclipse-threadx/threadx/security/advisories/GHSA-w8rw-fqgj-9r49

Frequently Asked Questions

What is CVE-2025-55079? +

In Eclipse ThreadX before version 6.4.3, the thread module has a setting of maximum priority. In some cases the check of that maximum priority wasn't performed, allowing, as a result, to obtain a thread with higher priority than expected and causing a possible denial of service. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2025-55079? +

CVE-2025-55079 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-55079? +

CVE-2025-55079 affects products from eclipse, specifically: threadx. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-55079? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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