CVE-2021-44247 Command injection in n/a

Critical 9.8 Published 4 Feb 2022 Updated 4 Aug 2024

Attackers can execute arbitrary commands on Totolink routers via the IpFrom parameter in the setNoticeCfg function.

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-2021-44247?

CVE-2021-44247 is a critical command injection vulnerability in n/a, published on 4 Feb 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Totolink devices A3100R v4.1.2cu.5050_B20200504, A830R v5.9c.4729_B20191112, and A720R v4.1.5cu.470_B20200911 were discovered to contain command injection vulnerability in the function setNoticeCfg. This vulnerability allows attackers to execute arbitrary commands via the IpFrom parameter.

Weakness: CWE-77

Which versions are affected by CVE-2021-44247?

It affects 3 products.

Products include Totolink A3100r Firmware, Totolink A720r Firmware, Totolink A830r Firmware.

How do I fix CVE-2021-44247?

No fix has been published for CVE-2021-44247 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-2021-44247 being exploited?

There is no known exploitation of CVE-2021-44247 in the wild and no public exploit code.

Sources

Also known as GHSA-784g-p98m-4mfw.