High 8.3Published Oct 31, 2025

CVE-2025-64389EXCHANGE OF SENSITIVE INFORMATION IN CLEAR TEXT

Updated under an hour ago (Oct 27, 2026, 8:10 PM ET)

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It affects Circutor TCPRS1plus. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Circutor TCPRS1plus

Exploited in the last 30 days

The web server of the device performs exchanges of sensitive information in clear text through an insecure protocol.

CVSS: 8.3 HIGH (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:L/SA:H
Weakness (CWE): CWE-319
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: S21sec
NVD analysis: Deferred
Record last updated: Nov 3, 2025
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Circutor TCPRS1plus circutor:tcprs1plus (from the name)	1.0.14	CNA record

References

References

https://cds.thalesgroup.com/es/s21sec
https://circutor.com/productos/iot-industrial-y-automatizacion/conversores-y-pasarelas/product/D80010./	product
https://www.hackrtu.com/blog/cg-0day-en-003/	technical-description

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.