CVE-2021-26747 Command injection in n/a
Attackers can execute arbitrary commands on Netis routers via shell metacharacter injection in the ping feature.
- 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-2021-26747?
CVE-2021-26747 is a critical command injection vulnerability in n/a, published on 18 Feb 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Netis WF2780 2.3.40404 and WF2411 1.1.29629 devices allow Shell Metacharacter Injection into the ping command, leading to remote code execution.
Weakness: CWE-78
Which versions are affected by CVE-2021-26747?
It affects 2 products.
Products include Netis-Systems Wf2411 Firmware, Netis-Systems Wf2780 Firmware.
How do I fix CVE-2021-26747?
No fix has been published for CVE-2021-26747 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-2021-26747 being exploited?
There is no known exploitation of CVE-2021-26747 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-w38f-4qh6-g599.