CVE-2017-16923: OS Command Injection

Published Nov 21, 2017
·
Updated

Command Injection vulnerability in appdatacenter on Shenzhen Tenda Ac9 USAC9V1.0BRV15.03.05.14multiTD01, Ac9 ac9kfV15.03.05.19(6318)cn, Ac15 USAC15V1.0BRV15.03.05.18multiTD01, Ac15 USAC15V1.0BRV15.03.05.19multiTD01, Ac18 USAC18V1.0BRV15.03.05.05multiTD01, and Ac18 ac18kfV15.03.05.19(6318)cn devices allows remote unauthenticated attackers to execute arbitrary OS commands via a crafted cgi-bin/luci/usbeject?devname= GET request from the LAN. This occurs because the "subA6E8 usbejectprocessentry" function executes a system function with untrusted input.

Affected Software

9 affected components
Tenda Ac9 Firmware=us_ac9v1.0br_v15.03.05.14_multi_td01
Tenda Ac9
Tenda Ac9 Firmware=ac9_kf_v15.03.05.19\(6318_\)_cn
Tenda ac15 firmware=us_ac15v1.0br_v15.03.05.18_multi_td01
Tenda Ac15
Tenda ac15 firmware=us_ac15v1.0br_v15.03.05.19_multi_td01
Tenda Ac18 Firmware=us_ac18v1.0br_v15.03.05.05_multi_td01
Tenda Ac18
Tenda Ac18 Firmware=ac18_kf_v15.03.05.19\(6318_\)_cn

Event History

Nov 21, 2017
CVE Published
via MITRE·02:00 PM
Data Sourced
via MITRE·02:00 PM
Description
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Frequently Asked Questions

1

What is CVE-2017-16923?

CVE-2017-16923 is a command injection vulnerability in the app_data_center on certain Tenda routers.

2

Which Tenda routers are affected by CVE-2017-16923?

The following Tenda routers are affected: 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_V15.0…

3

How severe is CVE-2017-16923?

CVE-2017-16923 has a severity rating of 8.8 (high).

4

How can I fix CVE-2017-16923?

To fix CVE-2017-16923, it is recommended to update the firmware of the affected Tenda router to a secure version.

5

Is my Tenda router vulnerable to CVE-2017-16923?

If you have one of the affected Tenda router models and firmware versions mentioned in the vulnerability description, your router may be vulnerable.

Contact

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