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Fencer Vulns
critical 9.8

CVE-2020-16204 json

The affected product is vulnerable due to an undocumented interface found on the device, which may allow an attacker to execute commands as…

published 2020-09-01 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-8170

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.5%
EPSS 5.5% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

The affected product is vulnerable due to an undocumented interface found on the device, which may allow an attacker to execute commands as root on the device on the N-Tron 702-W / 702M12-W (all versions).

Vendor advisories

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

cisa ICSA-20-240-01 updated cvss 9.8

Red Lion N-Tron 702-W, 702M12-W

  • Red Lion, AutomationDirect N-Tron 702-W Red Lion, AutomationDirect N-Tron 702M12-W
    affected: mitigation “Red Lion's 702-W Series was discontinued in 2018 and cannot be updated. Red Lion recommends these products be used locally within a secure network.”

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

5.49% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • packetstormsecurity.com http://packetstormsecurity.com/files/159064/Red-Lion-N-Tron-702-W-702M12-W-2.0.26-XSS-CSRF-Shell.html referenced PoC, tagged "exploit" by a source, unverified

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 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

  • n/a N-Tron 702-W / 702M12-W

Classification

Weakness

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.