CVE-2022-48122 Command injection in n/a

Critical 9.8 Published 20 Jan 2023 Updated 3 Apr 2025

Attackers can execute arbitrary commands on TOTOlink A7100RU routers via the dayvalid parameter in the DHCP rules deletion 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-2022-48122?

CVE-2022-48122 is a critical command injection vulnerability in n/a, published on 20 Jan 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

TOTOlink A7100RU V7.4cu.2313_B20191024 was discovered to contain a command injection vulnerability via the dayvalid parameter in the setting/delStaticDhcpRules function.

Weakness: CWE-78

Which versions are affected by CVE-2022-48122?

It affects 1 product.

Products include Totolink A7100ru Firmware.

How do I fix CVE-2022-48122?

No fix has been published for CVE-2022-48122 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-2022-48122 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-48122 exists.

Sources

Also known as GHSA-rphr-gf93-vggr.