CVE-2021-27692 Command injection in n/a
Remote attackers can execute arbitrary OS commands on Tenda G1 and G3 routers via a crafted USB partition unmount request.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-27692?
CVE-2021-27692 is a critical command injection vulnerability in n/a, published on 15 Apr 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Command Injection in Tenda G1 and G3 routers with firmware versions v15.11.0.17(9502)_CN or v15.11.0.16(9024)_CN allows remote attackers to execute arbitrary OS commands via a crafted "action/umountUSBPartition" request. This occurs because the "formSetUSBPartitionUmount" function executes the "doSystemCmd" function with untrusted input.
Which versions are affected by CVE-2021-27692?
It affects 2 products.
Products include Tendacn G1 Firmware, Tendacn G3 Firmware.
How do I fix CVE-2021-27692?
No fix has been published for CVE-2021-27692 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-2021-27692 being exploited?
There is no known exploitation of CVE-2021-27692 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-rxj2-g98j-wfhh.