CVE-2021-34111
Thecus 4800Eco was discovered to contain a command injection vulnerability via the username...
Thecus 4800Eco was discovered to contain a command injection vulnerability via the username parameter in /adm/setmain.php.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Thecus 4800Eco was discovered to contain a command injection vulnerability via the username parameter in /adm/setmain.php.
- Record
CVE-2021-34111- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-78
- Updated
- 2026-11-02
CVE List No score
Thecus 4800Eco was discovered to contain a command injection vulnerability via the username parameter in /adm/setmain.php.
- Record
CVE-2021-34111- Updated
- 2026-11-02
EUVDEUVD-2021-20774 No score
Thecus 4800Eco was discovered to contain a command injection vulnerability via the username parameter in /adm/setmain.php.
- Record
EUVD-2021-20774- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-7j2p-qr4g-pg5x
Thecus 4800Eco was discovered to contain a command injection vulnerability via the username...
Thecus 4800Eco was discovered to contain a command injection vulnerability via the username parameter in /adm/setmain.php.
- Record
GHSA-7j2p-qr4g-pg5x- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-77
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-34111 is a critical vulnerability (CVSS 9.8) in Thecus N4800eco Firmware, published May 20, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.63%, the 85th percentile. No source names a fixed version.