CVE-2016-8377

mediumpriority · attend · 45EPSS 0.089 · 95 %ileexploit · PoCEUUS
grimoire priorityP1 · Urgent
Exploitable?
Public exploit
1 exploit · PoC
Likely / severe?
8.91% (95th) EPSS
CVSS 6 · medium
Is it mine?
4 products
Check your exposure
Who says so?
4 sources
cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-27

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.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

No vendor fix yet; a mitigation is available.

  • MitigationPLC WinProladdercisa_csaf_ot

    FATEK Automation has not responded to requests to work with ICS-CERT to mitigate this vulnerability.

02

cvss

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

8.0
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6–8

v2.06mediumAV:N/AC:M/Au:S/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 6.8 · impact 6.4
v3.18highCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.1 · impact 5.9
v3.08highCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:Hsecondary · CISA US
v3.17.6highCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:Psecondary · CVSS-BT (t0sche)
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USprimaryCWE-121US
04

exploits (1)

Public proof-of-concept and weaponised exploit code.

05

affected products (4)

Products and version ranges known to be affected.

06

advisories (1)

Vendor and ecosystem advisories describing this.

  • ICSA-16-350-01FATEK Automation PLC WinProladder Stack-Based Buffer Overflow Vulnerability2016-09-18icsa · cisa_csaf_otUS

    This CSAF advisory was extracted from unstructured data and may contain inaccuracies. If you notice any errors, please reach out to the designated contact at CISA CSAF: central@cisa.dhs.gov

07

also known as (3)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

cnnvdenisa_euvdcisa_csaf_otnvdNVDCVE.orgMITRE
published 2017-02-13modified 2026-06-17
10

references (10)

External citations — patches, advisories, analysis.

scry

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