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Fencer Intel
critical 9.8

CVE-2017-14027 json

A Use of Hard-coded Credentials issue was discovered in Korenix JetNet JetNet5018G version 1.4, JetNet5310G version 1.4a, JetNet5428G-2G-2F…

published 9y ago modified 4mo ago also EUVD-2017-5542

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.8%
EPSS 2.8% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known

Summary

A Use of Hard-coded Credentials issue was discovered in Korenix JetNet JetNet5018G version 1.4, JetNet5310G version 1.4a, JetNet5428G-2G-2FX version 1.4, JetNet5628G-R version 1.4, JetNet5628G version 1.4, JetNet5728G-24P version 1.4, JetNet5828G version 1.1d, JetNet6710G-HVDC version 1.1e, and JetNet6710G version 1.1. The software uses undocumented hard-coded credentials that may allow an attacker to gain remote access.

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Vendor advisories

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

cisa ICSA-17-299-01 updated cvss 9.8

Korenix JetNet

  • Korenix JetNet5018G 1.4 Korenix JetNet5310G 1.4a Korenix JetNet5428G-2G-2FX 1.4 Korenix JetNet5628G 1.4 Korenix JetNet5628G-R 1.4 Korenix JetNet5728G-24P 1.4
    +3 more products
    Korenix JetNet5828G 1.1d Korenix JetNet6710G 1.1 Korenix JetNet6710G-HVDC version 1.1e
    affected: mitigation “Korenix has produced new firmware that removes the undocumented hard-coded credentials from supported systems. The new firmware is available for download” google.com

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

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
last yr.

Exploit prediction

2.85% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

  • n/a Korenix JetNet

Classification

Weakness
  • CWE-798 Use of Hard-coded Credentials

References

Sources

Fencer Intel 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.