CVE-2024-8882 Memory corruption in GS1900-48 firmware

Medium 4.5 Published 12 Nov 2024 Updated 12 Nov 2024

An authenticated administrator can cause a denial of service on Zyxel GS1900-48 switches via a crafted URL in the CGI program.

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-2024-8882?

CVE-2024-8882 is a medium-severity memory corruption 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 buffer overflow 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 cause denial of service (DoS) conditions via a crafted URL.

Weakness: CWE-120

Which versions are affected by CVE-2024-8882?

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-2024-8882?

No fix has been published for CVE-2024-8882 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2024-8882 being exploited?

There is no known exploitation of CVE-2024-8882 in the wild and no public exploit code.

Sources

Also known as GHSA-gh49-pqq6-x974.