CVE-2017-16936 Path traversal in n/a

Medium 6.5 Published 24 Nov 2017 Updated 5 Aug 2024

Remote unauthenticated attackers can read arbitrary files on Tenda AC9, AC15, and AC18 routers via directory traversal in the web interface.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2017-16936?

CVE-2017-16936 is a medium-severity path traversal vulnerability in Tenda Ac15 Firmware, published on 24 Nov 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Directory Traversal vulnerability in app_data_center on Shenzhen Tenda Ac9 US_AC9V1.0BR_V15.03.05.14_multi_TD01, Ac9 ac9_kf_V15.03.05.19(6318_)_cn, Ac15 US_AC15V1.0BR_V15.03.05.18_multi_TD01, Ac15 US_AC15V1.0BR_V15.03.05.19_multi_TD01, Ac18 US_AC18V1.0BR_V15.03.05.05_multi_TD01, and Ac18 ac18_kf_V15.03.05.19(6318_)_cn devices allows remote unauthenticated attackers to read arbitrary files via a cgi-bin/luci/request?op=1&path= URI that uses directory traversal sequences after a /usb/ substring.

Weakness: CWE-22

Which versions are affected by CVE-2017-16936?

It affects 3 products.

Products include Tenda Ac15 Firmware, Tenda Ac18 Firmware, Tenda Ac9 Firmware.

How do I fix CVE-2017-16936?

No fix has been published for CVE-2017-16936 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-2017-16936 being exploited?

There is no known exploitation of CVE-2017-16936 in the wild and no public exploit code.

All Tenda Ac15 Firmware vulnerabilities

Sources

Also known as GHSA-h2c9-g47m-57v8.