CVE-2021-46314 Command injection in n/a

Critical 9.8 Published 17 Feb 2022 Updated 4 Aug 2024

Attackers can execute arbitrary commands on D-Link DIR-846 routers via command injection in the HNAP1 control interface.

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-2021-46314?

CVE-2021-46314 is a critical command injection vulnerability in n/a, published on 17 Feb 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A Remote Command Execution (RCE) vulnerability exists in HNAP1/control/SetNetworkTomographySettings.php of D-Link Router DIR-846 DIR846A1_FW100A43.bin and DIR846enFW100A53DLA-Retail.bin because backticks can be used for command injection when judging whether it is a reasonable domain name.

Weakness: CWE-78

Which versions are affected by CVE-2021-46314?

It affects 1 product.

Products include Dlink Dir-846 Firmware.

How do I fix CVE-2021-46314?

No fix has been published for CVE-2021-46314 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-2021-46314 being exploited?

There is no known exploitation of CVE-2021-46314 in the wild and no public exploit code.

Sources

Also known as GHSA-hx39-4884-w52p.