Critical severity9.8NVD Advisory· Published May 22, 2019· Updated Jun 17, 2026
CVE-2018-7846
CVE-2018-7846
Description
A CWE-501: Trust Boundary Violation vulnerability on connection to the Controller exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum and Modicon Premium which could cause unauthorized access by conducting a brute force attack on Modbus protocol to the controller.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3Patches
Vulnerability mechanics
References
2- www.talosintelligence.com/vulnerability_reports/TALOS-2018-0735nvdExploitThird Party Advisory
- www.schneider-electric.com/en/download/document/SEVD-2019-134-11/nvdVendor Advisory
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