CVE-2021-47816

Thecus N4800Eco Nas Server Control Panel - Command Injection

CVSS 5.3 MEDIUMEPSS 1.6%CWE-78

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.3EPSS 1.6%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

16 Jan 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

Affected products

Thecus · Thecus N4800Eco Nas Server Control Panel

References

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