CVE-2020-14100 Command injection in Xiaomi router R3600

Critical 9.8 Published Updated

Attackers can bypass WAN6 interface filters to execute remote code and gain root access on Xiaomi R3600 routers.

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-2020-14100?

CVE-2020-14100 is a critical command injection vulnerability in Xiaomi router R3600, published on 11 Sep 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In Xiaomi router R3600 ROM version<1.0.66, filters in the set_WAN6 interface can be bypassed, causing remote code execution. The router administrator can gain root access from this vulnerability.

Weakness: CWE-77

Which versions are affected by CVE-2020-14100?

It affects 1 product.

Products include Mi R3600 Firmware.

How do I fix CVE-2020-14100?

No fix has been published for CVE-2020-14100 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-2020-14100 being exploited?

There is no known exploitation of CVE-2020-14100 in the wild and no public exploit code.

Sources

Also known as GHSA-q56m-mx82-79xw.

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