CVE-2023-31986 Command injection in n/a

Critical 9.8 Published 15 May 2023 Updated 23 Jan 2025

Attackers can execute arbitrary code on Edimax N300 routers via the setWAN function, requiring immediate attention from network administrators.

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-2023-31986?

CVE-2023-31986 is a critical command injection vulnerability in n/a, published on 15 May 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A Command Injection vulnerability in Edimax Wireless Router N300 Firmware BR-6428NS_v4 allows attacker to execute arbitrary code via the setWAN function in /bin/webs without any limitations.

Weakness: CWE-77

Which versions are affected by CVE-2023-31986?

It affects 1 product.

Products include Edimax Br-6428ns Firmware.

How do I fix CVE-2023-31986?

No fix has been published for CVE-2023-31986 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-2023-31986 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-31986 exists.

Sources

Also known as GHSA-9j79-q2c6-v5v7.