CVE-2023-52026 Command injection in n/a

Critical 9.8 Published 12 Jan 2024 Updated 11 Jun 2025

Attackers can execute arbitrary commands remotely on TOTOlink routers by manipulating the telnet configuration parameter.

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-2023-52026?

CVE-2023-52026 is a critical command injection vulnerability in n/a, published on 12 Jan 2024. 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 was discovered to contain a remote command execution (RCE) vulnerability via the telnet_enabled parameter of the setTelnetCfg interface

Weakness: CWE-78

Which versions are affected by CVE-2023-52026?

It affects 1 product.

Products include Totolink Ex1800t Firmware.

How do I fix CVE-2023-52026?

No fix has been published for CVE-2023-52026 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-2023-52026 being exploited?

There is no known exploitation of CVE-2023-52026 in the wild and no public exploit code.

Sources

Also known as GHSA-5vwc-p62x-pm8g.