CVE-2021-47816

HIGH 8.8

Thecus N4800Eco Nas Server Control Panel - Command Injection

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-78
Vendor	thecus
Product	thecus n4800eco nas server control panel
Published	Jan 16, 2026
Last Updated	Jul 28, 2026

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CVSS v3 Breakdown

CVSS:3.1/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

High

Integrity

High

Availability

High

Affected Versions

Thecus / Thecus N4800Eco Nas Server Control Panel

N4800Eco

References

NVD ↗ CVE.org ↗ EPSS Data ↗

exploit-db.com: https://www.exploit-db.com/exploits/49926 thecus.com: http://www.thecus.com/ thecus.com: http://www.thecus.com/product.php?PROD_ID=83 docs.unsafe-inline.com: https://docs.unsafe-inline.com/0day/thecus-n4800eco-nas-server-control-panel-comand-injection vulncheck.com: https://www.vulncheck.com/advisories/thecus-neco-nas-server-control-panel-command-injection

Credits

Metin Yunus Kandemir