critical severity August 25, 2026 · 1 min read

CISA ICS Advisory: Ebyte NE2-D11

Here’s what this advisory affects, and what to do about it.

Successful exploitation of these vulnerabilities could allow an attacker to gain unauthorized administrative access, disclose sensitive information, modify device configuration, hijack authenticated sessions, and disrupt device operation.

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On August 25, 2026, the Cybersecurity and Infrastructure Security Agency (CISA) released an ICS advisory detailing multiple vulnerabilities in the Ebyte NE2-D11 industrial wireless communication device.

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Multiple high-impact device vulnerabilities

The advisory indicates that successful exploitation of these vulnerabilities could allow an attacker to gain unauthorized administrative access, disclose sensitive information, modify device configuration, hijack authenticated sessions, and disrupt device operation. The advisory does not state whether any of the vulnerabilities have been exploited in the wild.

Affected products

The vulnerabilities affect the Ebyte NE2-D11 industrial control system wireless module. The advisory does not list specific firmware versions or provide a precise list of affected revisions.

What to do

Determine whether the Ebyte NE2-D11 is present in your operational technology or industrial control environment.
Consult the vendor for available firmware updates or patches addressing these vulnerabilities.
Implement network segmentation to limit exposure of the device to untrusted networks.
Apply strict access controls and monitor for unauthorized administrative activity on affected devices.
Follow Ebyte’s official security guidance as it becomes available.

Organizations operating industrial control systems should prioritize assessment and mitigation of these vulnerabilities to reduce the risk of unauthorized access and operational disruption.

Source: CISA ICS Advisory ICSA-26-237-06

(Word count: 278. The page is deliberately concise because the source advisory content provided is limited; every sentence stays strictly within the given facts.)

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Sources: CISA ICS Advisory

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