CVE-2024-42059 Command injection in ATP series firmware

High 7.2 Published 3 Sep 2024 Updated 3 Sep 2024

Authenticated administrators can execute arbitrary OS commands on Zyxel firewalls by uploading a malicious language file via FTP.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2024-42059?

CVE-2024-42059 is a high-severity command injection vulnerability in Zyxel ATP series firmware, published on 3 Sep 2024. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

A post-authentication command injection vulnerability in Zyxel ATP series firmware versions from V5.00 through V5.38, USG FLEX series firmware versions from V5.00 through V5.38, USG FLEX 50(W) series firmware versions from V5.00 through V5.38, and USG20(W)-VPN series firmware versions from V5.00 through V5.38 could allow an authenticated attacker with administrator privileges to execute some OS commands on an affected device by uploading a crafted compressed language file via FTP.

Weakness: CWE-78

Which versions are affected by CVE-2024-42059?

It affects 1 product.

Products include Zyxel Zld.

How do I fix CVE-2024-42059?

No fix has been published for CVE-2024-42059 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-2024-42059 being exploited?

There is no known exploitation of CVE-2024-42059 in the wild and no public exploit code.

Sources

Also known as GHSA-xmwj-7m96-j7hw.