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Vulnerability record · CVE-2016-8377 · published 13 February 2017

CVE-2016-8377: Fatek plc winproladder firmware memory buffer overflow vulnerability

FFatek · Plc Winproladder Firmware

An issue was discovered in Fatek Automation PLC WinProladder Version 3.11 Build 14701. A stack-based buffer overflow vulnerability exists when the software application connects to a malicious server, resulting in a stack buffer overflow. This causes an exploitable Structured Exception Handler (SEH) overwrite condition that may allow remote code execution.

8.0 CVSS 3.1 High EPSS 8.9% · top 4.9% CWE-119 · Memory buffer overflow
8.0CVSS 3.1 base score, v2 6.0
8.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

An issue was discovered in Fatek Automation PLC WinProladder Version 3.11 Build 14701. A stack-based buffer overflow vulnerability exists when the software application connects to a malicious server, resulting in a stack buffer overflow. This causes an exploitable Structured Exception Handler (SEH) overwrite condition that may allow remote code execution.

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

Affected products

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

References

LinkTags
http://www.securityfocus.com/bid/94938 Third Party AdvisoryVDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-16-350-01 Third Party AdvisoryUS Government Resource
https://www.exploit-db.com/exploits/42700/ Third Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/94938 Third Party AdvisoryVDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-16-350-01 Third Party AdvisoryUS Government Resource
https://www.exploit-db.com/exploits/42700/ Third Party AdvisoryVDB Entry

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Source: NIST National Vulnerability Database (record CVE-2016-8377), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.