Is CVE-2025-55078 in the CISA KEV catalog?

No. CVE-2025-55078 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-55078?

CVE-2025-55078 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2025-55078?

CVE-2025-55078 has an EPSS score of 0.16% (5th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-55078?

Upgrade threadx to 6.4.3 or later.

CVE & CISA-KEV Catalog

CVE-2025-55078

MEDIUM

5.5

CVSS v3

NVD

Description

In Eclipse ThreadX before version 6.4.3, an attacker can cause a denial of service (crash) by providing a pointer to a reserved or unmapped memory region. Vulnerable system calls had a check of pointers, but that check wasn't verifying whether the pointer is outside the module memory region.

CWE-233

How to fix

Remediation Available

threadxNVD

Affected:< 6.4.3Fixed in:6.4.3CVE-2025-55078derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.16%probability of exploitation in 30 days

5thpercentile

Low risk: more likely to be exploited than 5% of all known CVEs.

References

Exploit1

github.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-21.