CVE-2018-13353
System command injection in ajaxdata.php in TerraMaster TOS version 3.1.03 allows attackers to execute commands via the "checkport" parameter.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (5.95%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
System command injection in ajaxdata.php in TerraMaster TOS version 3.1.03 allows attackers to execute commands via the "checkport" parameter.
- CVSS 3.0
- 8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 5.95% probability · 93th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-78
- Affected
- terra-master/terramaster operating system
- Source
- cve@mitre.org
EPSS moved from 8.9% on 21 September 2026 to 5.9% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- https://blog.securityevaluators.com/vulnerabilities-in-terramaster-tos-3-1-03-fb99cf88b86aExploit, Third Party Advisory
- https://blog.securityevaluators.com/vulnerabilities-in-terramaster-tos-3-1-03-fb99cf88b86aExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.