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CVE-2026-4840

8.8 · HIGH
Published Mar 26, 2026 CWE-77 EPSS 10.48% (95th pctl)

Overview

CVE-2026-4840 is a high-severity vulnerability. It was published on March 26, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical Description

A security flaw has been discovered in Netcore Power 15AX up to 3.0.0.6938. Affected by this issue is the function setTools of the file /bin/netis.cgi of the component Diagnostic Tool Interface. Performing a manipulation of the argument IpAddr results in os command injection. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Frequently Asked Questions

What is CVE-2026-4840?

CVE-2026-4840 is a high-severity vulnerability. It was published on March 26, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2026-4840?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-4840?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-4840?

CyberStrike's AI-powered security agents can automatically detect CVE-2026-4840 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.