CVE-2021-45401 — CRITICAL (9.8)

Vulnerability Description

A Command injection vulnerability exists in Tenda AC10U AC1200 Smart Dual-band Wireless Router AC10U V1.0 Firmware V15.03.06.49_multi via the setUsbUnload functionality. The vulnerability is caused because the client controlled "deviceName" value is passed directly to the "doSystemCmd" function.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Tendacn	Ac10U Firmware	15.03.06.49_multi
Tendacn	Ac10U	1.0

Related Weaknesses (CWE)

CWE-77

References

https://github.com/Quadron-Research-Lab/Hardware-IoT/blob/main/Tenda_AC10U_commaExploitThird Party Advisory
https://github.com/Quadron-Research-Lab/Hardware-IoT/blob/main/Tenda_AC10U_commaExploitThird Party Advisory

FAQ

What is CVE-2021-45401?

CVE-2021-45401 is a vulnerability with a CVSS score of 9.8 (CRITICAL). A Command injection vulnerability exists in Tenda AC10U AC1200 Smart Dual-band Wireless Router AC10U V1.0 Firmware V15.03.06.49_multi via the setUsbUnload functionality. The vulnerability is caused be...

How severe is CVE-2021-45401?

CVE-2021-45401 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-45401?

Check the references section above for vendor advisories and patch information. Affected products include: Tendacn Ac10U Firmware, Tendacn Ac10U.