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Vulnerability record · CVE-2022-1068 · published 1 April 2022

CVE-2022-1068: Modbustools modbus slave stack-based buffer overflow vulnerability

Modbustools · Modbus Slave

Modbus Tools Modbus Slave (versions 7.4.2 and prior) is vulnerable to a stack-based buffer overflow in the registration field. This may cause the program to crash when a long character string is used.

7.5 CVSS 3.1 High EPSS 0.96% · top 39.9% CWE-121 · Stack-based buffer overflowCWE-787 · Out-of-bounds write
7.5CVSS 3.1 base score, v2 5.0
0.96%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Modbus Tools Modbus Slave (versions 7.4.2 and prior) is vulnerable to a stack-based buffer overflow in the registration field. This may cause the program to crash when a long character string is used.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.cisa.gov/uscert/ics/advisories/icsa-22-088-04 PatchThird Party AdvisoryUS Government Resource
https://www.cisa.gov/uscert/ics/advisories/icsa-22-088-04 PatchThird Party AdvisoryUS Government Resource

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Source: NIST National Vulnerability Database (record CVE-2022-1068), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.