CVE-2021-45401 Command injection in n/a

Critical 9.8 Published 18 Feb 2022 Updated 4 Aug 2024

Attackers can execute arbitrary commands on Tenda AC10U routers via the setUsbUnload functionality due to unsanitized input.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-45401?

CVE-2021-45401 is a critical command injection vulnerability in n/a, published on 18 Feb 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-77

Which versions are affected by CVE-2021-45401?

It affects 1 product.

Products include Tendacn Ac10u Firmware.

How do I fix CVE-2021-45401?

No fix has been published for CVE-2021-45401 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2021-45401 being exploited?

There is no known exploitation of CVE-2021-45401 in the wild and no public exploit code.

Sources

Also known as GHSA-j8cg-gpgg-pxf5.