CVE-2023-43137 Command injection in n/a

High 8.8 Published 20 Sep 2023 Updated 25 Sep 2024

An authenticated attacker can execute arbitrary commands via the rule name parameter in ACL configuration on TP-Link TL-ER5120G routers.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-43137?

CVE-2023-43137 is a high-severity command injection vulnerability in n/a, published on 20 Sep 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

TPLINK TL-ER5120G 4.0 2.0.0 Build 210817 Rel.80868n has a command injection vulnerability, when an attacker adds ACL rules after authentication, and the rule name parameter has injection points.

Weakness: CWE-77

Which versions are affected by CVE-2023-43137?

It affects 1 product.

Products include Tp-Link Tl-Er5120g Firmware.

How do I fix CVE-2023-43137?

No fix has been published for CVE-2023-43137 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-2023-43137 being exploited?

There is no known exploitation of CVE-2023-43137 in the wild and no public exploit code.

Sources

Also known as GHSA-92g9-x89h-2625.