High severity7.8NVD Advisory· Published Mar 23, 2018· Updated Jun 17, 2026

CVE-2018-7502

Description

Kernel drivers in Beckhoff TwinCAT 3.1 Build 4022.4, TwinCAT 2.11 R3 2259, and TwinCAT 3.1 lack proper validation of user-supplied pointer values. An attacker who is able to execute code on the target may be able to exploit this vulnerability to obtain SYSTEM privileges.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Beckhoff/Twincatllm-fuzzy
Range: 3.1 Build 4022.4, 2.11 R3 2259, 3.1
ICS-CERT/Beckhoff TwinCAT PLC productsv5
Range: TwinCAT 3.1 Build 4022.4, TwinCAT 2.11 R3 2259, TwinCAT 3.1

Patches

Vulnerability mechanics

References

www.securityfocus.com/bid/103487nvdThird Party AdvisoryVDB Entry
download.beckhoff.com/download/Document/product-security/Advisories/advisory-2018-001.pdfnvdVendor Advisory
ics-cert.us-cert.gov/advisories/ICSA-18-081-02nvdMitigationThird Party AdvisoryUS Government Resource
srcincite.io/advisories/src-2018-0007/nvd

News mentions

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