CVE-2016-6901 Denial of service in n/a

Medium 6.5 Published 26 Sep 2016 Updated 6 Aug 2024

Remote authenticated users can cause a denial of service on Huawei AR routers via format string specifiers in partial commands.

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

What is CVE-2016-6901?

CVE-2016-6901 is a medium-severity denial of service vulnerability in n/a, published on 26 Sep 2016. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Format string vulnerability in Huawei AR100, AR120, AR150, AR200, AR500, AR550, AR1200, AR2200, AR2500, AR3200, and AR3600 routers with software before V200R007C00SPC900 and NetEngine 16EX routers with software before V200R007C00SPC900 allows remote authenticated users to cause a denial of service via format string specifiers in vectors involving partial commands.

Weakness: CWE-20

Which versions are affected by CVE-2016-6901?

It affects 2 products.

Products include Huawei Ar Firmware, Huawei Netengine 16ex Firmware.

How do I fix CVE-2016-6901?

No fix has been published for CVE-2016-6901 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-2016-6901 being exploited?

There is no known exploitation of CVE-2016-6901 in the wild and no public exploit code.

Sources

Also known as GHSA-rfhj-2h7w-cr8x.