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Critical

Remote Code Inclusion via Unrestricted File Upload in Limatek LimRAD NAC

IdentifiersCVE-2026-7852CWE-434· Unrestricted Upload of File with…

CVE-2026-7852 is an unrestricted upload of file with dangerous type vulnerability in Limatek System Inc. LimRAD NAC affecting versions before 5.5.7.3.9. According to the provided content, the flaw allows an attacker to upload a dangerous file type and achieve remote code inclusion. The issue is classified as CWE-434. The available information does not identify the specific vulnerable endpoint, upload handler, or function, but the vulnerability is described as network-exploitable and does not require privileges or user interaction.

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ANALYST BRIEF

Impact, mitigation & remediation

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Impact

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Successful exploitation can allow remote code inclusion, which may result in arbitrary code execution on the affected LimRAD NAC system. Based on the provided CVSS vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H), the impact is high across confidentiality, integrity, and availability, implying potential full system compromise, unauthorized access to sensitive data, modification of system or application state, and service disruption.

Mitigation

If you can’t patch tonight, do this now.

If immediate patching is not possible, reduce exposure of LimRAD NAC upload functionality to untrusted networks, restrict access to administrative or file-upload interfaces, and apply compensating controls such as strict allowlisting of uploadable file types, server-side content validation, execution prevention in upload directories, and monitoring for suspicious file uploads. However, the provided content does not include vendor-supplied mitigations, so this information should be treated as general defensive guidance rather than confirmed vendor remediation.

Remediation

Patch, then assume compromise.

Upgrade Limatek LimRAD NAC to version 5.5.7.3.9 or later, as the issue affects versions before 5.5.7.3.9.
PUBLIC EXPLOITS

Exploits

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VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

What this page doesn’t show

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Exposure mapping

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Threat actor evidence

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Associated malware

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Detection signatures

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Vendor-by-vendor mapping

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Social activity6

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