CVE-2021-40409 Command injection in n/a

Critical 9.1 Published Updated

Attackers can execute arbitrary OS commands via the DDNS password parameter in Reolink IP cameras, potentially compromising the device.

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-2021-40409?

CVE-2021-40409 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 [1] or [2], based on DDNS type, the ddns->password variable, that has the value of the password parameter provided through the SetDdns API, is not validated properly. This would lead to an OS command injection.

Weakness: CWE-78

Which versions are affected by CVE-2021-40409?

It affects 1 product.

Products include Reolink Rlc-410w Firmware.

How do I fix CVE-2021-40409?

No fix has been published for CVE-2021-40409 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-2021-40409 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-40409 exists.

All Reolink Rlc-410w Firmware vulnerabilities

Sources

Also known as GHSA-q4pw-hphq-p8qf.

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