CVE-2025-4041

CRITICALNVD 9.3

9.3

In Optigo Networks ONS NC600 versions 4.2.1-084 through 4.7.2-330, an attacker could connect with the device's ssh server and utilize the system's components to perform OS command executions.

CVSS v3: 9.3
EG Score: 0.0(none)
EPSS: 66.0%
KEV: Not listed

Published

May 6, 2025

Last Modified

April 15, 2026

References (1)

ics-cert@hqhttps://www.cisa.gov/news-events/ics-advisories/icsa-25-126-01

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-798Use of Hard-coded Credentials

Data Freshness Timeline

(refreshed 12× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-05 06:10 UTCepss_batch
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2026-06-04 13:12 UTCepss_batch
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2026-05-29 13:44 UTCepss_batch
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Frequently asked(5)

What is CVE-2025-4041?

CVE-2025-4041 is a critical vulnerability published on May 6, 2025. In Optigo Networks ONS NC600 versions 4.2.1-084 through 4.7.2-330, an attacker could connect with the device's ssh server and utilize the system's components to perform OS command executions.

When was CVE-2025-4041 disclosed?

CVE-2025-4041 was first published in the National Vulnerability Database on May 6, 2025, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-4041 actively exploited?

CVE-2025-4041 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 66.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-4041?

CVE-2025-4041 has a CVSS v3 base score of 9.3 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 0.0.

How do I remediate CVE-2025-4041?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-4041, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2025-4041

📅 Published

🔄 Last Modified

🔗 References (1)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2025-4041?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (1)

Frequently asked(5)

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