Is CVE-2025-55085 in the CISA KEV catalog?

No. CVE-2025-55085 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-55085?

CVE-2025-55085 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2025-55085?

CVE-2025-55085 has an EPSS score of 0.57% (43th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-55085?

Upgrade threadx netx duo to 6.4.4.202503 or later.

CVE & CISA-KEV Catalog

CVE-2025-55085

HIGH

7.5

CVSS v3

NVD

Description

In NextX Duo before 6.4.4, in the HTTP client module, the network support code for Eclipse Foundation ThreadX, the parsing of HTTP header fields was missing bounds verification. A crafted server response could cause undefined behavior.

CWE-125Out-of-bounds Read CWE-1286

How to fix

Remediation Available

threadx netx duoNVD

Affected:< 6.4.4.202503Fixed in:6.4.4.202503CVE-2025-55085derived 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 VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.57%probability of exploitation in 30 days

43rdpercentile

Moderate risk: more likely to be exploited than 43% of all known CVEs.

References

Exploit1

github.com

Related Vulnerabilities

Other CWE-125 (Out-of-bounds Read) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0160	High	7.5	100%	KEV	Fix
CVE-2025-5777	High	7.5	100%	KEV + Ransom	Fix
CVE-2021-4034	High	7.8	95%	KEV	Fix
CVE-2023-21769	High	7.5	92%	-	Fix
CVE-2020-8794	Critical	9.8	89%	-	Fix
CVE-2023-49285	High	8.6	89%	-	Fix

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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 2025-10-27.