CVE-2023-51018 Command injection in n/a

Critical 9.8 Published 22 Dec 2023 Updated 17 Apr 2025

Attackers can execute arbitrary commands on TOTOLink EX1800T routers via the setWiFiApConfig interface, potentially compromising the device.

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-2023-51018?

CVE-2023-51018 is a critical command injection vulnerability in n/a, published on 22 Dec 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

TOTOlink EX1800T v9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command execution in the ‘opmode’ parameter of the setWiFiApConfig interface of the cstecgi .cgi.

Weakness: CWE-94

Which versions are affected by CVE-2023-51018?

It affects 1 product.

Products include Totolink Ex1800t Firmware.

How do I fix CVE-2023-51018?

No fix has been published for CVE-2023-51018 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-2023-51018 being exploited?

There is no known exploitation of CVE-2023-51018 in the wild and no public exploit code.

Sources

Also known as GHSA-9qq8-mmh8-945v.