CVE-2021-45401

9.8 criticalEPSS 2.5%

Critical (9.8) in tendacn ac10u firmware. EPSS 2.5% chance of exploitation in the next 30 days.

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.

Severity

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

EPSS: 2.5% chance of exploitation in the next 30 days; higher than 84% of CVEs (scores of 2026-10-31)
CWE: CWE-77
Published: 2022-02-18
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

tendacn:ac10u_firmware

References

https://github.com/Quadron-Research-Lab/Hardware-IoT/blob/main/Tenda_AC10U_command_injection_RCE.pdf
https://github.com/Quadron-Research-Lab/Hardware-IoT/blob/main/Tenda_AC10U_command_injection_RCE.pdf

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