CVE-2019-18233

mediumpriority · track · 24EPSS 0.008 · 55 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.77% (55th) EPSS

CVSS 4.3 · medium

Is it mine?

5 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · scored 2026-10-27

In Advantech Spectre RT Industrial Routers ERT351 5.1.3 and prior, the affected product does not neutralize special characters in the error response, allowing attackers to use a reflected XSS attack.

remediations

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

No vendor fix yet; a mitigation is available.

MitigationSpectre RT ERT351cisa_csaf_ot
For additional information, please see Advantech Security Advisory SA-2021-01-01
https://ep.advantech-bb.cz/support/router-models/download/511/sa-2021-01-fw-5.1.3-and-older-en.pdf

cvss

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

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.3–7.5

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 2.7

v3.04.3mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:Nsecondary · CISA US

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · FSTEC (BDU) RU

v3.15.6mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USCWE-79USCWE-79US

affected products (5)

Products and version ranges known to be affected.

Spectre RT ERT351: firmware Versions 5.1.3 and priorall versionscisa_csaf_otUS
Advantech Spectre RT ERT351≤ 5.1.3cisa_csaf_otUS
n/a Advantech Spectre RT Industrial Routers ERT351≤ 5.1.3 and priorenisa_euvdEU
Advantech Co., Ltd BB-ERT351≤ 5.1.4fstec_bduRU
advantech spectre rt ert351 firmware≤ 5.1.3nvdUScpe:2.3:o:advantech:spectre_rt_ert351_firmware:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-21-054-03Advantech Spectre RT Industrial Routers2021-02-23icsa · cisa_csaf_otUS
Successful exploitation of these vulnerabilities may allow information disclosure, deletion of files, and remote code execution.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cisa_csaf_ot nvd NVD CVE.org MITRE

published 2021-03-17modified 2026-06-17

references (8)

External citations — patches, advisories, analysis.

scry

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