---
id: CVE-2026-105979
title: Command Injection in ZeroTier VPN
summary: >-
  Improper input validation in the ZeroTier VPN function may allow a remote
  attacker with high privileges to inject system commands and execute them with
  root privileges.
severity: high
cvss: 7.2
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'
cvssSource: cna
cwe:
  - CWE-77
vendor: Welotec
product: TK100
affected:
  - TK100 >= 0.0.0 < 3.5.116
  - TK500-v2 >= 0.0.0 < 1.0.124
  - TK500-v3 >= 0.0.0 < 1.0.123
published: '2026-11-03'
updated: '2026-11-03'
sourceUpdated: '2026-11-03T08:58:40.540Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-105979'
references:
  - url: 'https://www.certvde.com/en/advisories/VDE-2026-119/'
tags:
  - cve.org
epss: 0.00358
epssPercentile: 0.29726
ingestedAt: '2026-11-05T19:30:42.933Z'
---

## Overview

Improper input validation in the ZeroTier VPN function may allow a remote attacker with high privileges to inject system commands and execute them with root privileges.

## Affected

- `TK100 >= 0.0.0 < 3.5.116`
- `TK500-v2 >= 0.0.0 < 1.0.124`
- `TK500-v3 >= 0.0.0 < 1.0.123`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.