High severity7.5NVD Advisory· Published May 22, 2019· Updated Jun 17, 2026
CVE-2018-7853
CVE-2018-7853
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 denial of service when reading invalid physical memory blocks in the controller over Modbus
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
8- cpe:2.3:o:schneider-electric:modicon_m340_firmware:*:*:*:*:*:*:*:*Range: <3.10
- cpe:2.3:o:schneider-electric:modicon_m580_firmware:*:*:*:*:*:*:*:*Range: <2.90
cpe:2.3:o:schneider-electric:modicon_premium_firmware:-:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:schneider-electric:modicon_premium_firmware:-:*:*:*:*:*:*:*
- (no CPE)
- cpe:2.3:o:schneider-electric:modicon_quantum_firmware:-:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
2- www.talosintelligence.com/vulnerability_reports/TALOS-2019-0764nvdExploitThird Party Advisory
- www.schneider-electric.com/en/download/document/SEVD-2019-134-11/nvdMitigationVendor Advisory
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