CVE-2017-16923 Command injection in n/a
Remote unauthenticated attackers can execute arbitrary OS commands on Tenda routers via a crafted GET request to the USB eject endpoint.
- 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-2017-16923?
CVE-2017-16923 is a high-severity command injection vulnerability in Tenda Ac15 Firmware, published on 21 Nov 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Command Injection 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 execute arbitrary OS commands via a crafted cgi-bin/luci/usbeject?dev_name= GET request from the LAN. This occurs because the "sub_A6E8 usbeject_process_entry" function executes a system function with untrusted input.
Weakness: CWE-78
Which versions are affected by CVE-2017-16923?
It affects 3 products.
Products include Tenda Ac15 Firmware, Tenda Ac18 Firmware, Tenda Ac9 Firmware.
How do I fix CVE-2017-16923?
No fix has been published for CVE-2017-16923 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2017-16923 being exploited?
There is no known exploitation of CVE-2017-16923 in the wild and no public exploit code.
Other vulnerabilities in Tenda Ac15 Firmware
Sources
Also known as GHSA-wp7f-x92c-rf9x.