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Vulnerability record · CVE-2018-7514 · published 17 April 2018

CVE-2018-7514: Omron cx-flnet stack-based buffer overflow vulnerability

OOmron · Cx Flnet

Parsing malformed project files in Omron CX-One versions 4.42 and prior, including the following applications: CX-FLnet versions 1.00 and prior, CX-Protocol versions 1.992 and prior, CX-Programmer versions 9.65 and prior, CX-Server versions 5.0.22 and prior, Network Configurator versions 3.63 and prior, and Switch Box Utility versions 1.68 and prior, may cause a stack-based buffer overflow.

7.8 CVSS 3.1 High EPSS 0.32% · top 77.7% CWE-121 · Stack-based buffer overflowCWE-787 · Out-of-bounds write
7.8CVSS 3.1 base score, v2 4.6
0.32%EPSS exploitation probability, 30 days
NoNot in CISA KEV
7Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Parsing malformed project files in Omron CX-One versions 4.42 and prior, including the following applications: CX-FLnet versions 1.00 and prior, CX-Protocol versions 1.992 and prior, CX-Programmer versions 9.65 and prior, CX-Server versions 5.0.22 and prior, Network Configurator versions 3.63 and prior, and Switch Box Utility versions 1.68 and prior, may cause a stack-based buffer overflow.

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

Affected products

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

References

LinkTags
https://ics-cert.us-cert.gov/advisories/ICSA-18-100-02 Third Party AdvisoryUS Government Resource
https://ics-cert.us-cert.gov/advisories/ICSA-18-100-02 Third Party AdvisoryUS Government Resource

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2015-0987Omron cx-programmer information exposure vulnerabilityOmron CX-One CX-Programmer before 9.6, CJ2M PLC devices before 2.1, and CJ2H PLC devices before 1.5 rely on cleartext password transmission, which al…EPSS 1.2%9.8CVE-2022-3397Omron cx-programmer out-of-bounds write vulnerabilityOMRON CX-Programmer 9.78 and prior is vulnerable to an Out-of-Bounds Write, which may allow an attacker to execute arbitrary code.EPSS 0.62%9.8CVE-2022-3398Omron cx-programmer out-of-bounds write vulnerabilityOMRON CX-Programmer 9.78 and prior is vulnerable to an Out-of-Bounds Write, which may allow an attacker to execute arbitrary code.EPSS 0.62%9.8CVE-2022-3396Omron cx-programmer out-of-bounds write vulnerabilityOMRON CX-Programmer 9.78 and prior is vulnerable to an Out-of-Bounds Write, which may allow an attacker to execute arbitrary code.EPSS 0.62%8.8CVE-2020-27259Omron cx-one vulnerabilityThe Omron CX-One Version 4.60 and prior may allow an attacker to supply a pointer to arbitrary memory locations, which may allow an attacker to remot…EPSS 2.7%8.8CVE-2020-27261Omron cx-one stack-based buffer overflow vulnerabilityThe Omron CX-One Version 4.60 and prior is vulnerable to a stack-based buffer overflow, which may allow an attacker to remotely execute arbitrary cod…EPSS 7.6%7.8CVE-2023-22277Omron cx-programmer use after free vulnerabilityUse after free vulnerability exists in CX-Programmer Ver.9.79 and earlier. By having a user open a specially crafted CXP file, information disclosure…EPSS 0.24%7.8CVE-2023-22314Omron cx-programmer use after free vulnerabilityUse after free vulnerability exists in CX-Programmer Ver.9.79 and earlier. By having a user open a specially crafted CXP file, information disclosure…EPSS 0.24%

Source: NIST National Vulnerability Database (record CVE-2018-7514), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.