CVE-2024-26519

CRITICALNVD 9.09.0—

9.0

An issue in Casa Systems NTC-221 version 2.0.99.0 and before allows a remote attacker to execute arbitrary code via a crafted payload to the /www/cgi-bin/nas.cgi component.

CVSS v3: 9.0
EG Score: 9.0(medium)
EPSS: 78.6%
KEV: Not listed

Published

October 22, 2024

Last Modified

April 15, 2026

Advisory Details (1)

Auto-updated May 22, 2026

No patch confirmed yet.

generic

Critical RCE Flaw Found in NetComm NTC-221 IoT Routers

https://cybercx.com.au/blog/zero-day-rce-in-netcomm-ntc-221-industrial-iot-m2m-lte-4g-router/

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 14× 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.

2026-06-04 13:11 UTCepss_batch
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2026-05-26 13:43 UTCepss_batch

Frequently asked(5)

What is CVE-2024-26519?

CVE-2024-26519 is a critical vulnerability published on October 22, 2024. An issue in Casa Systems NTC-221 version 2.0.99.0 and before allows a remote attacker to execute arbitrary code via a crafted payload to the /www/cgi-bin/nas.cgi component.

When was CVE-2024-26519 disclosed?

CVE-2024-26519 was first published in the National Vulnerability Database on October 22, 2024, 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-2024-26519 actively exploited?

CVE-2024-26519 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 78.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2024-26519?

CVE-2024-26519 has a CVSS v3 base score of 9.0 (NVD).

How do I remediate CVE-2024-26519?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-26519, 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-2024-26519

📅 Published

🔄 Last Modified

📋 Advisory Details (1)

Critical RCE Flaw Found in NetComm NTC-221 IoT Routers

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2024-26519?

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Advisory Details (1)

Frequently asked(5)

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