High severity7.5NVD Advisory· Published May 22, 2019· Updated Jun 17, 2026
CVE-2018-7849
CVE-2018-7849
Description
A CWE-248: Uncaught Exception vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum and Modicon Premium which could cause a possible Denial of Service due to improper data integrity check when sending files the controller over Modbus.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
7- cpe:2.3:o:schneider-electric:modicon_m340_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:modicon_m580_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:modicon_premium_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:modicon_quantum_firmware:*:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
2- www.talosintelligence.com/vulnerability_reports/TALOS-2018-0737nvdExploitThird Party Advisory
- www.schneider-electric.com/en/download/document/SEVD-2019-134-11/nvdVendor Advisory
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