CVE-2020-15568: TerraMaster Tos

Critical severity, CVSS 9.8. EPSS: 29% chance of exploitation in the next 30 days.

TerraMaster TOS before 4.1.29 has Invalid Parameter Checking that leads to code injection as root. This is a dynamic class method invocation vulnerability in include/exportUser.php, in which an attacker can trigger a call to the exec method with (for example) OS commands in the opt parameter.

Affected products

• TerraMaster Tos: before 4.1.29 (fixed in 4.1.29)

Published 2021-01-30. Last modified 2026-06-17.