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CVE-2018-13353

29
FAUCET Score

CVE-2018-13353 is a critical system command injection vulnerability affecting TerraMaster TOS version 3.1.03, specifically within the ajaxdata.php script via the "checkport" parameter. This flaw carries a high CVSS score of 8.8, indicating that an authenticated attacker can remotely execute arbitrary commands with high impact on confidentiality, integrity, and availability. While no public exploit code or active exploitation has been observed, and community discussion is minimal, the vulnerability's high FAUCET Risk Score of 90/100 underscores its significant potential for compromise.

Impacted Technologies

VendorProductVersion(s)CPE
3.1.03CPE matchmatch criteria
cpe:2.3:o:terra-master:terramaster_operating_system:3.1.03:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
5.95%
Probability of exploitation in next 30 days
EPSS Percentile
92.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0595 is in the 92nd percentile among its peer group of 17,844 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

blog.securityevaluators.com / vulnerabilities-in-terramaster-tos-3-1-03-fb99cf88b86a
ExploitThird Party Advisory