CVE-2025-41426

CRITICALNVD 9.89.8—

9.8

Affected Vertiv products contain a stack based buffer overflow vulnerability. An attacker could exploit this vulnerability to gain code execution on the device.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 76.7%
KEV: Not listed

Published

May 21, 2025

Last Modified

April 15, 2026

Advisory Details (2)

Auto-updated May 3, 2026

🔬 Proof of concept available. Patch available. Sources: cisa.

generic🟡 PoC Available

Security Support Center

https://www.vertiv.com/en-us/support/security-support-center/

cisa Patch Available

Vertiv Liebert RDU101 and UNITY | CISA

https://www.cisa.gov/news-events/ics-advisories/icsa-25-140-10

Weakness Classification(1)

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

CWE-121Stack-based Buffer Overflow

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 22:46 UTCepss_batch
2026-06-05 22:46 UTCepss_batch
2026-06-05 06:10 UTCepss_batch
2026-06-05 06:10 UTCepss_batch
2026-06-04 13:12 UTCepss_batch
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2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
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2026-05-31 22:30 UTCepss_batch
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2026-05-31 00:16 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
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2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch

Frequently asked(5)

What is CVE-2025-41426?

CVE-2025-41426 is a critical vulnerability published on May 21, 2025. Affected Vertiv products contain a stack based buffer overflow vulnerability. An attacker could exploit this vulnerability to gain code execution on the device.

When was CVE-2025-41426 disclosed?

CVE-2025-41426 was first published in the National Vulnerability Database on May 21, 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-2025-41426 actively exploited?

CVE-2025-41426 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 76.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-41426?

CVE-2025-41426 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2025-41426?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-41426, 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.

Dependency Blast Radius

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CVE-2025-41426

📅 Published

🔄 Last Modified

📋 Advisory Details (2)