RCE in Thecus N4800eco

CVE-2021-34111

Thecus 4800Eco was discovered to contain a command injection vulnerability via the username parameter in /adm/setmain.php.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.026 (83.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-34111?
CVE-2021-34111 is a critical-severity vulnerability in Thecus N4800eco, classified under OS Command Injection. CVSS score: 9.8/10. Published 2022-05-20.
How severe is CVE-2021-34111?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2021-34111 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.