CVE-2020-28095 Denial of service in n/a

High 7.5 Published Updated

An attacker can crash a Tenda AC1200 router into an infinite boot loop by sending a large HTTP POST request to the password change API.

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-2020-28095?

CVE-2020-28095 is a high-severity denial of service vulnerability in Tenda Ac6 Firmware, published on 30 Dec 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

On Tenda AC1200 (Model AC6) 15.03.06.51_multi devices, a large HTTP POST request sent to the change password API will trigger the router to crash and enter an infinite boot loop.

Weakness: CWE-835

Which versions are affected by CVE-2020-28095?

It affects 1 product.

Products include Tenda Ac6 Firmware.

How do I fix CVE-2020-28095?

No fix has been published for CVE-2020-28095 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2020-28095 being exploited?

There is no known exploitation of CVE-2020-28095 in the wild and no public exploit code.

All Tenda Ac6 Firmware vulnerabilities

Sources

Also known as GHSA-2v9x-c45w-29qx.

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