An unauthenticated command-execution vulnerability exists in TerraMaster TOS through…
Priority HIGH 82CWE-78Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-78.
Summary
An unauthenticated command-execution vulnerability exists in TerraMaster TOS through 4.2.06 via shell metacharacters in the Event parameter in include/makecvs.php during CSV creation.
Why it matters now
EPSS 0.7848 99th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD and the CNA
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:terra-master:terramaster_operating_system:*:*:*:*:*:*:*:* | up to 4.2.06 | Vulnerable | TerraMaster |
- cpe:2.3:o:terra-master:terramaster_operating_system:*:*:*:*:*:*:*:* Versions up to 4.2.06 Vulnerable ·TerraMaster
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-35665
- 2026-10-03 Alias added: GHSA-wf5j-wf7x-99jg
References
More Terramaster Operating System vulnerabilities
- TI-2022-08783 TerraMaster NAS 4.2.29 and earlier allows remote attackers to discover the administrative… KEVCVSS 3.1CRITICAL 9.8
- TI-2022-08782 TerraMaster NAS through 4.2.30 allows remote WAN attackers to execute arbitrary code as… CVSS 3.1CRITICAL 9.8
- TI-2018-09599 System command injection in logtable.php in TerraMaster TOS version 3.1.03 allows… CVSS 3.0CRITICAL 9.8
- TI-2018-09603 System command injection in ajaxdata.php in TerraMaster TOS version 3.1.03 allows… CVSS 3.0HIGH 8.8
- TI-2018-09595 SQL injection in logtable.php in TerraMaster TOS version 3.1.03 allows attackers to… CVSS 3.0CRITICAL 9.8
- TI-2018-09604 Cross-site scripting in usertable.php in TerraMaster TOS version 3.1.03 allows attackers… CVSS 3.0HIGH 8.8
Sources
- CVE-2020-35665 · CVE Program
- CVE-2020-35665 · NVD
- FIRST EPSS
- GHSA-wf5j-wf7x-99jg · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences