CVE-2024-8881 Command injection in GS1900-48 firmware

Medium 6.8 Published 12 Nov 2024 Updated 12 Nov 2024

Authenticated administrators can execute OS commands on Zyxel GS1900-48 switches via crafted HTTP requests.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2024-8881?

CVE-2024-8881 is a medium-severity command injection vulnerability in Zyxel GS1900-48 firmware, published on 12 Nov 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A post-authentication command injection vulnerability in the CGI program in the Zyxel GS1900-48 switch firmware version V2.80(AAHN.1)C0 and earlier could allow an authenticated, LAN-based attacker with administrator privileges to execute some operating system (OS) commands on an affected device by sending a crafted HTTP request.

Weakness: CWE-78

Which versions are affected by CVE-2024-8881?

It affects 10 products.

Products include Zyxel Gs1900-10hp Firmware, Zyxel Gs1900-16 Firmware, Zyxel Gs1900-24 Firmware, Zyxel Gs1900-24e Firmware, Zyxel Gs1900-24ep Firmware, Zyxel Gs1900-24hpv2 Firmware and 4 more.

How do I fix CVE-2024-8881?

No fix has been published for CVE-2024-8881 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-2024-8881 being exploited?

There is no known exploitation of CVE-2024-8881 in the wild and no public exploit code.

Sources

Also known as GHSA-6g24-jp4w-4mmm.