CVE-2025-41656

CRITICALNVD 10.010.0—Elevated

10.0

An unauthenticated remote attacker can run arbitrary commands on the affected devices with high privileges because the authentication for the Node_RED server is not configured by default.

CVSS v3: 10.0
EG Score: 10.0(medium)
EPSS: 67.9%
KEV: Not listed

Published

July 1, 2025

Last Modified

April 15, 2026

Advisory Details (1)

Auto-updated May 14, 2026

No patch confirmed yet.

generic

Pilz: Missing Authentication in Node-RED integration

https://certvde.com/en/advisories/VDE-2025-045

Weakness Classification(1)

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

CWE-306Missing Authentication for Critical Function

Data Freshness Timeline

(refreshed 10× 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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Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

GitHub PoCwallyschag/CVE-2025-41656
First seen Jul 14, 2025
This repository includes the code and files needed to test and execute a PoC for CVE-2025-41656
Open source ↗

Frequently asked(5)

What is CVE-2025-41656?

CVE-2025-41656 is a critical vulnerability published on July 1, 2025. An unauthenticated remote attacker can run arbitrary commands on the affected devices with high privileges because the authentication for the Node_RED server is not configured by default.

When was CVE-2025-41656 disclosed?

CVE-2025-41656 was first published in the National Vulnerability Database on July 1, 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-2025-41656 actively exploited?

CVE-2025-41656 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 67.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-41656?

CVE-2025-41656 has a CVSS v3 base score of 10.0 (NVD).

How do I remediate CVE-2025-41656?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-41656, 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-2025-41656

📅 Published

🔄 Last Modified

📋 Advisory Details (1)