CVE-2022-37301

highpriority · track · 30EPSS 0.008 · 55 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.75% (55th) EPSS

CVSS 7.5 · high

Is it mine?

59 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

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)

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · cybersecurity@se.comexploitability 3.9 · impact 3.6

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-191USCWE-191US

affected products (59)

Products and version ranges known to be affected.

Schneider Electric Legacy Modicon Quantum/Premium≤ All Versionsenisa_euvdEU
Schneider Electric Modicon M340 CPU (part numbers BMXP34*)≤ V ≤3.40enisa_euvdEU
Schneider Electric Modicon M580 CPU (part numbers BMEP* and BMEH*)≤ V ≤3.22enisa_euvdEU
Schneider Electric Modicon MC80 (BMKC80)≤ V ≤1.7enisa_euvdEU
Schneider Electric Modicon Momentum MDI (171CBU*)≤ All Versionsenisa_euvdEU
Schneider Electric Modicon M340≤ 3.50fstec_bduRU
Schneider Electric Modicon M580≤ 4.01fstec_bduRU
Schneider Electric Modicon MC80all versionsfstec_bduRU
Schneider Electric Modicon Momentum MDIall versionsfstec_bduRU
Schneider Electric Modicon Premiumall versionsfstec_bduRU
Schneider Electric Modicon Quantumall versionsfstec_bduRU
schneider-electric modicon m340 bmx p34-2010 firmware< 3.50nvdUScpe:2.3:o:schneider-electric:modicon_m340_bmx_p34-2010_firmware:*:*:*:*:*:*:*:*
schneider-electric modicon m340 bmx p34-2030 firmware< 3.50nvdUScpe:2.3:o:schneider-electric:modicon_m340_bmx_p34-2030_firmware:*:*:*:*:*:*:*:*
schneider-electric modicon m580 bmeh582040 firmware< 4.01nvdUScpe:2.3:o:schneider-electric:modicon_m580_bmeh582040_firmware:*:*:*:*:*:*:*:*
schneider-electric modicon m580 bmeh582040c firmware< 4.01nvdUScpe:2.3:o:schneider-electric:modicon_m580_bmeh582040c_firmware:*:*:*:*:*:*:*:*
schneider-electric modicon m580 bmeh582040s firmware< 4.01nvdUScpe:2.3:o:schneider-electric:modicon_m580_bmeh582040s_firmware:*:*:*:*:*:*:*:*
schneider-electric modicon m580 bmeh584040 firmware< 4.01nvdUScpe:2.3:o:schneider-electric:modicon_m580_bmeh584040_firmware:*:*:*:*:*:*:*:*
schneider-electric modicon m580 bmeh584040c firmware< 4.01nvdUScpe:2.3:o:schneider-electric:modicon_m580_bmeh584040c_firmware:*:*:*:*:*:*:*:*
schneider-electric modicon m580 bmeh584040s firmware< 4.01nvdUScpe:2.3:o:schneider-electric:modicon_m580_bmeh584040s_firmware:*:*:*:*:*:*:*:*
schneider-electric modicon m580 bmeh586040 firmware< 4.01nvdUScpe:2.3:o:schneider-electric:modicon_m580_bmeh586040_firmware:*:*:*:*:*:*:*:*

showing 20 of 59

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2022-11-22modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

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