CVE-2025-55080

Q: How do I fix CVE-2025-55080?

Upgrade threadx to 6.4.3 or later.

Q: Is CVE-2025-55080 being actively exploited?

Not that we know of. CVE-2025-55080 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.13% is the estimated probability that it will be exploited in the next 30 days. That is higher than 3% of all scored CVEs.

Q: How severe is CVE-2025-55080?

CVE-2025-55080 has a CVSS v3 base score of 7.1, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2025-55080 affect?

Published advisories record a fix for threadx (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

HIGH

7.1

CVSS v3

NVD

Description

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.

CWE-233

How to fix

Remediation Available

threadxNVD

Affected:< 6.4.3Fixed in:6.4.3CVE-2025-55080derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

0.13%probability of exploitation in 30 days

3rdpercentile

Low risk: more likely to be exploited than 3% of all known CVEs.

References

Third-Party Advisory1

github.com

Related Vulnerabilities

Other CWE-233 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-52970	High	8.1	9.8%	-	Fix
CVE-2023-20076	High	7.2	1.5%	-	Fix
CVE-2021-1230	High	8.6	1.5%	-	-
CVE-2024-24525	Critical	9.8	1.1%	-	-
CVE-2024-31808	High	8.8	0.9%	-	-
CVE-2022-45182	Critical	9.8	0.9%	-	Fix

Common questions

How do I fix CVE-2025-55080?

Upgrade threadx to 6.4.3 or later.

Is CVE-2025-55080 being actively exploited?

Not that we know of. CVE-2025-55080 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.13% is the estimated probability that it will be exploited in the next 30 days. That is higher than 3% of all scored CVEs.

How severe is CVE-2025-55080?

CVE-2025-55080 has a CVSS v3 base score of 7.1, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2025-55080 affect?

Published advisories record a fix for threadx (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

Embed a live status badge for CVE-2025-55080

Markdown

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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 2025-10-22.