CVE-2021-47816
Thecus N4800Eco Nas Server Control Panel - Command Injection
- State
- Published
- Severity
- 5.3 Medium
- Published
- Jan 16, 2026
- Updated
- Jul 28, 2026
- Reserved
- Jan 14, 2026
Description
Thecus N4800Eco NAS Server Control Panel contains a command injection vulnerability that allows authenticated attackers to execute arbitrary system commands through user management endpoints. Attackers can inject commands via username and batch user creation parameters to execute shell commands with administrative privileges.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 8.8 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Affected Products
| Product | Versions |
|---|---|
Thecus N4800Eco Nas Server Control PanelThecus |
|
References
- ExploitDB-49926exploit
- Thecus Official Vendor Homepageproduct
- Thecus N4800Eco Product Pageproduct
- Researcher Blogtechnical-descriptionexploit
- VulnCheck Advisory: Thecus N4800Eco Nas Server Control Panel - Command Injectionthird-party-advisory
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