How severe is CVE-2026-18191?

CVE-2026-18191 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-18191 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-18191?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2026-18191 published?

CVE-2026-18191 was published on 2026-07-29 and last updated on 2026-07-30.

CVE-2026-18191

CVE-2026-18191 is a critical-severity vulnerability with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-912.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 9.3
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-912
Published: 2026-07-29
Last modified: 2026-07-30

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2026-18191?: CVE-2026-18191 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-18191 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-18191?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2026-18191 published?: CVE-2026-18191 was published on 2026-07-29 and last updated on 2026-07-30.

References

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