CVE-2019-5072 Command injection in Tenda AC9
An attacker can execute arbitrary commands on Tenda AC9 routers by sending a specially crafted HTTP POST request to the WanParameterSetting endpoint.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-5072?
CVE-2019-5072 is a high-severity command injection vulnerability in Tenda AC9, published on 21 Nov 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An exploitable command injection vulnerability exists in the /goform/WanParameterSetting functionality of Tenda AC9 Router AC1200 Smart Dual-Band Gigabit WiFi Route (AC9V1.0 Firmware V15.03.05.16multiTRU). A specially crafted HTTP POST request can cause a command injection in the DNS2 post parameters, resulting in code execution. An attacker can send HTTP POST request with command to trigger this vulnerability.
Weakness: CWE-78
Which versions are affected by CVE-2019-5072?
It affects 1 product.
Products include Tendacn Ac9v1.0 Firmware.
How do I fix CVE-2019-5072?
No fix has been published for CVE-2019-5072 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-2019-5072 being exploited?
There is no known exploitation of CVE-2019-5072 in the wild and no public exploit code.
Other vulnerabilities in Tenda AC9
Sources
Also known as GHSA-xrc9-5hxr-j48g.