EnTech TVicPort 4.0 IOCTL TVicPort64.sys privilege escalation

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in EnTech TVicPort 4.0. The impacted element is an unknown function in the library TVicPort64.sys of the component IOCTL Handler. The manipulation results in an unknown weakness. This vulnerability is known as CVE-2026-30769. No exploit is available.

Detailsinfo

A vulnerability classified as critical has been found in EnTech TVicPort 4.0. Affected is some unknown functionality in the library TVicPort64.sys of the component IOCTL Handler. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

An issue in the TVicPort64.sys component of EnTech Taiwan TVicPort Product v4.0, File v5.2.1.0 allows attackers to escalate privileges via sending crafted IOCTL 0x80002008 requests.

The advisory is shared for download at entechtaiwan.com. This vulnerability is traded as CVE-2026-30769 since 03/04/2026. There are known technical details, but no exploit is available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-26240). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Privilege escalation
CWE: Unknown
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

03/04/2026 CVE reserved
04/29/2026 +55 days Advisory disclosed
04/29/2026 +0 days VulDB entry created
04/29/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: entechtaiwan.com
Status: Not defined

CVE: CVE-2026-30769 (🔒)
GCVE (CVE): GCVE-0-2026-30769
GCVE (VulDB): GCVE-100-360180
EUVD: 🔒

Entryinfo

Created: 04/29/2026 18:49
Updated: 04/29/2026 20:00
Changes: 04/29/2026 18:49 (52), 04/29/2026 20:00 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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