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TI-2019-13255 Aliases CVE-2019-18236GHSA-r2j3-2qwf-9h6r

Stack-based buffer overflow in WECON PLC Editor

Priority LOW 39CWE-121Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.

Summary

Multiple buffer overflow vulnerabilities exist when the PLC Editor Version 1.3.5_20190129 processes project files. An attacker could use a specially crafted project file to exploit and execute code under the privileges of the application.

Why it matters now

EPSS 0.02791 86th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—WECON PLC EditorVersion 1.3.5_20190129—No fix listedCNA
  • WECON PLC Editor Vendor— Affected Version 1.3.5_20190129 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:we-con:plc_editor:1.3.5:20190129:*:*:*:*:*:*1.3.5 20190129VulnerableWECON Technology Co., Ltd.

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-18236
  2. 2026-10-03 Alias added: GHSA-r2j3-2qwf-9h6r

References

Advisory 3

  • TI-2020-15423 Heap-based buffer overflow in WECON PLC Editor CVSS 3.1HIGH 8.8
  • TI-2020-15419 Stack-based buffer overflow in WECON PLC Editor CVSS 3.1HIGH 8.8
  • TI-2021-18920 Out-of-bounds write in WECON PLC Editor CVSS 3.1HIGH 7.8
  • TI-2021-18918 Stack-based buffer overflow in WECON PLC Editor CVSS 3.1HIGH 7.8
  • TI-2018-10622 Stack-based buffer overflow in WECON PLC Editor CVSS 3.0MEDIUM 6.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences