Privilege escalation in Entechtaiwan Tvicport
CVE-2026-30769
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.001 (3.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 3.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000
Affected products
- Entechtaiwan Tvicport — versions 5.2.1.0
Weakness classification (CWE)
References
- www.entechtaiwan.com/dev/port/index.shtm (Product)
- gist.github.com/lleekkoo/6c73fa4e137aca6f5dfe6aec4f6a7b29 (Third Party Advisory)
Frequently asked questions
- What is CVE-2026-30769?
- CVE-2026-30769 is a high-severity vulnerability in Entechtaiwan Tvicport, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2026-04-29.
- How severe is CVE-2026-30769?
- High severity. CVSS v3 base score is 7.8 out of 10.