CVE-2016-7826 Path traversal in WNC01WH

Medium 6.5 Published 9 Jun 2017 Updated 6 Aug 2024

Authenticated attackers can read arbitrary files on Buffalo WNC01WH devices via directory traversal in POST requests.

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-2016-7826?

CVE-2016-7826 is a medium-severity path traversal vulnerability in BUFFALO INC. WNC01WH, published on 9 Jun 2017. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Directory traversal vulnerability in Buffalo WNC01WH devices with firmware version 1.0.0.8 and earlier allows authenticated attackers to read arbitrary files via specially crafted POST requests.

Weakness: CWE-22

Which versions are affected by CVE-2016-7826?

It affects 1 product.

Products include Buffalotech Wnc01wh Firmware.

How do I fix CVE-2016-7826?

No fix has been published for CVE-2016-7826 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2016-7826 being exploited?

There is no known exploitation of CVE-2016-7826 in the wild and no public exploit code.

Sources

Also known as GHSA-8h44-wj4c-mp46.