CVE-2023-33013 Command injection in NBG6604 firmware

High 8.8 Published Updated

Authenticated attackers can execute arbitrary OS commands on Zyxel NBG6604 routers via crafted HTTP requests in the NTP feature.

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-2023-33013?

CVE-2023-33013 is a high-severity command injection vulnerability in Zyxel NBG6604 firmware, published on 14 Aug 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A post-authentication command injection vulnerability in the NTP feature of Zyxel NBG6604 firmware version V1.01(ABIR.1)C0 could allow an authenticated attacker to execute some OS commands remotely by sending a crafted HTTP request.

Weakness: CWE-78

Which versions are affected by CVE-2023-33013?

It affects 1 product.

Products include Zyxel Nbg6604 Firmware.

How do I fix CVE-2023-33013?

No fix has been published for CVE-2023-33013 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-2023-33013 being exploited?

There is no known exploitation of CVE-2023-33013 in the wild and no public exploit code.

Sources

Also known as GHSA-xw24-fjv7-8w94.

Is CVE-2023-33013 in your software?

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