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Fencer Vulns
critical 9.8

CVE-2017-6023 json

An issue was discovered in Fatek Automation PLC Ethernet Module.

published 2017-03-16 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-15091

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.4%
EPSS 4.4% chance of exploitation in 30 days, percentile 91%
public exploits
0
none known

Summary

An issue was discovered in Fatek Automation PLC Ethernet Module. The affected Ether_cfg software configuration tool runs on the following Fatek PLCs: CBEH versions prior to V3.6 Build 170215, CBE versions prior to V3.6 Build 170215, CM55E versions prior to V3.6 Build 170215, and CM25E versions prior to V3.6 Build 170215. A stack-based buffer overflow vulnerability has been identified, which may allow remote code execution or crash the affected device.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-17-073-01 updated cvss 7.3

FATEK Automation PLC Ethernet Module

  • FATEK Automation CBE < 3.6 Build 170215 FATEK Automation CBEH < 3.6 Build 170215 FATEK Automation CM25E < 3.6 Build 170215 FATEK Automation CM55E < 3.6 Build 170215
    affected: mitigation “FATEK Automation has created a new version of the “ether_cfg software tool” to mitigate this vulnerability.”

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

4.41% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 9.0 AV:N/AC:L/Au:N/C:P/I:P/A:C

Affected products

  • n/a Fatek Automation PLC Ethernet Module

Classification

Weakness
  • CWE-121 Stack-based Buffer Overflow
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.