CVE-2018-14558 Tenda AC7, AC9, and AC10 Routers Command Injection
Attackers can execute arbitrary OS commands on Tenda AC7, AC9, and AC10 routers via a crafted request to the USB unload function.
- Exploited in the wild
- Since 3 Nov 2021
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-14558?
CVE-2018-14558 is a critical command injection vulnerability in Tenda Ac10 Firmware, published on 30 Oct 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered on Tenda AC7 devices with firmware through V15.03.06.44_CN(AC7), AC9 devices with firmware through V15.03.05.19(6318)_CN(AC9), and AC10 devices with firmware through V15.03.06.23_CN(AC10). A command Injection vulnerability allows attackers to execute arbitrary OS commands via a crafted goform/setUsbUnload request. This occurs because the "formsetUsbUnload" function executes a dosystemCmd function with untrusted input.
Weakness: CWE-78
Which versions are affected by CVE-2018-14558?
It affects 3 products.
Products include Tenda Ac10 Firmware, Tenda Ac7 Firmware, Tenda Ac9 Firmware.
How do I fix CVE-2018-14558?
No fix has been published for CVE-2018-14558 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 3 May 2022.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2018-14558 being exploited?
Yes. Attackers have exploited CVE-2018-14558 in the wild since at least 3 Nov 2021.
Other vulnerabilities in Tenda Ac10 Firmware
Sources
Also known as GHSA-jh5j-w2c9-jcff.