High 8.8Published Jan 16, 2026

CVE-2021-47816Thecus N4800Eco Nas Server Control Panel - Command Injection

Updated under an hour ago (Oct 27, 2026, 5:40 PM ET)

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Every CVE for Thecus N4800Eco Nas Server Control Panel

Exploited in the last 30 days

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.

CVSS: 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-78
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Jul 27, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Thecus Thecus N4800Eco Nas Server Control Panel thecus:n4800eco_nas_server_control_panel (from the name)	N4800Eco	CNA record

References

References

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.