CVE-2021-40411 Command injection in n/a
Attackers can execute arbitrary OS commands via the SetLocalLink API due to improper validation of the dns2 parameter in Reolink cameras.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-40411?
CVE-2021-40411 is a critical command injection vulnerability in Reolink Rlc-410w Firmware, published on 28 Jan 2022. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
An OS command injection vulnerability exists in the device network settings functionality of reolink RLC-410W v3.0.0.136_20121102. At [6] the dns_data->dns2 variable, that has the value of the dns2 parameter provided through the SetLocalLink API, is not validated properly. This would lead to an OS command injection.
Weakness: CWE-78
Which versions are affected by CVE-2021-40411?
It affects 1 product.
Products include Reolink Rlc-410w Firmware.
How do I fix CVE-2021-40411?
No fix has been published for CVE-2021-40411 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-2021-40411 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-40411 exists.
Other vulnerabilities in Reolink Rlc-410w Firmware
Sources
Also known as GHSA-q89c-2293-ppjp.