CVE-2018-7857
HIGHModicon Premium, Quantum, M340, M580 Firmware - Denial of Service via Modbus Out-of-Bounds Variable Write
Title source: llmDescription
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 when writing out of bounds variables to the controller over Modbus.
References (2)
Core 2
Core References
Mitigation, Vendor Advisory x_refsource_misc
https://www.schneider-electric.com/en/download/document/SEVD-2019-134-11/
Exploit, Third Party Advisory x_refsource_misc
https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0768
Scores
CVSS v3
7.5
EPSS
0.0049
EPSS Percentile
65.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-754
Status
published
Products (4)
schneider-electric/modicon_m340_firmware
< 3.01
schneider-electric/modicon_m580_firmware
< 2.80
schneider-electric/modicon_premium_firmware
< 3.20
schneider-electric/modicon_quantum_firmware
< 3.60
Published
May 22, 2019
Tracked Since
Feb 18, 2026