CVE-2021-45836: TerraMaster Tos

High severity, CVSS 8.8. EPSS: 2.5% chance of exploitation in the next 30 days.

An authenticated attacker can execute arbitrary commands as root in Terramaster F4-210, F2-210 TOS 4.2.X (4.2.15-2107141517) by injecting a maliciously crafted input in the request through /tos/index.php?app/hand_app.

Affected products

• TerraMaster Tos: version 4.2.15-2107141517 only

Published 2022-04-25. Last modified 2026-06-17.