CVE-2022-37301

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

A CWE-191: Integer Underflow (Wrap or Wraparound) vulnerability exists that could cause a denial of service of the controller due to memory access violations when using the Modbus TCP protocol. Affected products: Modicon M340 CPU (part numbers BMXP34*)(V3.40 and prior), Modicon M580 CPU (part numbers BMEP* and BMEH*)(V3.22 and prior), Legacy Modicon Quantum/Premium(All Versions), Modicon Momentum MDI (171CBU*)(All Versions), Modicon MC80 (BMKC80)(V1.7 and prior)

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-191

Affected software

Vendor	Product	Versions
Schneider Electric	Modicon M340 CPU (part numbers BMXP34*)	>= V, <= 3.40
Schneider Electric	Modicon M580 CPU (part numbers BMEP* and BMEH*)	>= V, <= 3.22
Schneider Electric	Legacy Modicon Quantum/Premium	All Versions
Schneider Electric	Modicon Momentum MDI (171CBU*)	All Versions
Schneider Electric	Modicon MC80 (BMKC80)	>= V, <= 1.7

References

https://www.se.com/us/en/download/document/SEVD-2022-221-02/Vendor Advisory
https://www.se.com/us/en/download/document/SEVD-2022-221-02/Vendor Advisory

Timeline

Published: Nov 22, 2022
Last modified: Jun 17, 2026
NVD status: Modified

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