Improper Input Validation in WireGuard VPN by WireGuard
CVE-2026-105980

8.6HIGH

Key Information:

Vendor

Welotec

Status
Tk100
Tk500-v2
Tk500-v3
Vendor
CVE Published:
3 November 2026

What is CVE-2026-105980?

The WireGuard VPN function contains a flaw related to improper input validation. This vulnerability permits a remote attacker, capable of high-level privileges, to inject and execute arbitrary system commands with root privileges, potentially compromising system security and integrity.

Affected Version(s)

TK100 0.0.0 < 3.5.116

TK500-v2 0.0.0 < 1.0.124

TK500-v3 0.0.0 < 1.0.123

References

https://www.certvde.com/en/advisories/VDE-2026-119/

CVSS V4

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.