What is CVE-2026-18191?

CVE-2026-18191 is a critical-severity vulnerability in Vacron Vin-Ds783e-E6, classified under Hidden Functionality. CVSS score: 9.8/10. Published 2026-07-29.

How severe is CVE-2026-18191?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Vacron Vin-Ds783e-E6

CVE-2026-18191

VIN-DS783E-E6 developed by Vacron has a Hidden Functionality vulnerability, allowing unauthenticated remote attackers to exploit a specific hidden function to obtain the administrator credentials of the device.

EPSS: 0.004 (31.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Vacron Vin-ds783e-e6 — versions all

Weakness classification (CWE)

CWE-912 — Hidden Functionality

References

twcert@cert.org.tw (third-party-advisory)
twcert@cert.org.tw (third-party-advisory)

Frequently asked questions

What is CVE-2026-18191?: CVE-2026-18191 is a critical-severity vulnerability in Vacron Vin-Ds783e-E6, classified under Hidden Functionality. CVSS score: 9.8/10. Published 2026-07-29.
How severe is CVE-2026-18191?: Critical severity. CVSS v3 base score is 9.8 out of 10.