TerraMaster TOS - RCE (CVE-2020-28188)
128Exploiting IPs reported
Remote Command Execution (RCE) vulnerability in TerraMaster TOS <= 4.2.06 allow remote unauthenticated attackers to inject OS commands via /include/makecvs.php in Event parameter.
CrowdSec analysis
CVE-2020-28188 is a critical vulnerability in TerraMaster TOS that permits unauthenticated remote command execution through improper handling of input parameters.
CrowdSec has been tracking this vulnerability and its exploits since 6th of June 2025.
CrowdSec network observations suggest that most exploitation of CVE-2020-28188 involves focused reconnaissance to identify viable targets. Attackers typically tailor their campaigns based on system exposure and configuration. It is unlikely that a given attack is accidental. CrowdSec data also reveals a clear uptick in attacks involving CVE-2020-28188 over the past week. Activity is above the usual baseline, suggesting growing attention from attackers. This may reflect rising awareness, recent exploit releases, or expanded targeting efforts.
Observed exploitation attempts often target requests involving /include/makecvs.php
or /tos/index.php?explorer/pathlist
.
Exploitation
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Common Weakness Enumeration (CWE)
Protection
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Blocklist
With our advanced worldwide network detection, CrowdSec can provide a list of IPs known for exploiting the vulnerability.
To increase your protection against this CVE, block exploitation attempts with this list of identified actors.