Description
Improper input validation in the Digital I/O function may allow a remote attacker with high privileges to inject operating system commands and execute them with root privileges.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Welotec | TK100 | 0.0.0 – < 3.5.116 | 3.5.116 |
| Welotec | TK500-v2 | 0.0.0 – < 1.0.124 | 1.0.124 |
| Welotec | TK500-v3 | 0.0.0 – < 1.0.123 | 1.0.123 |
Advisories 1
- VDE-2026-119 Welotec: Multiple vulnerabilities in TK routers CERT@VDE · Nov 3, 2026