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Fencer Vulns
critical 9.8

CVE-2019-18235 json

Advantech Spectre RT ERT351 Versions 5.1.3 and prior has insufficient login authentication parameters required for the web application may…

published 2021-03-17 5 y ago modified 2026-06-17 4 mo ago also EUVD-2019-8035

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 75%
public exploits
0
none known

Summary

Advantech Spectre RT ERT351 Versions 5.1.3 and prior has insufficient login authentication parameters required for the web application may allow an attacker to gain full access using a brute-force password attack.

Vendor advisories

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

cisa ICSA-21-054-03 updated cvss 9.8

Advantech Spectre RT Industrial Routers

  • Advantech Spectre RT ERT351 <= 5.1.3
    affected: mitigation “For additional information, please see Advantech Security Advisory SA-2021-01-01” ep.advantech-bb.cz

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

1.54% chance of exploitation in the next 30 days, higher than 75% 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 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • n/a Advantech Spectre RT ERT351 Versions 5.1.3 and prior

Classification

Weakness
  • CWE-307 Improper Restriction of Excessive Authentication Attempts

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.