CVE-2016-7821 Denial of service in WNC01WH

Medium 6.5 Published 9 Jun 2017 Updated 6 Aug 2024

Remote attackers can cause a denial of service against the management interface of Buffalo WNC01WH devices.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2016-7821?

CVE-2016-7821 is a medium-severity denial of service vulnerability in BUFFALO INC. WNC01WH, published on 9 Jun 2017. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Buffalo WNC01WH devices with firmware version 1.0.0.8 and earlier allow remote attackers to cause a denial of service against the management screen via unspecified vectors.

Weakness: CWE-20

Which versions are affected by CVE-2016-7821?

It affects 1 product.

Products include Buffalotech Wnc01wh Firmware.

How do I fix CVE-2016-7821?

No fix has been published for CVE-2016-7821 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-2016-7821 being exploited?

There is no known exploitation of CVE-2016-7821 in the wild and no public exploit code.

Sources

Also known as GHSA-93h9-hmfg-qcx2.