CVE-2023-37929 Memory corruption in V5.50(ABPM.8)C0 firmware

Medium 6.5 Published Updated

An authenticated remote attacker can cause denial of service on Zyxel VMG3625-T50B devices via a buffer overflow in the CGI program.

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-2023-37929?

CVE-2023-37929 is a medium-severity memory corruption vulnerability in Zyxel V5.50(ABPM.8)C0 firmware, published on 21 May 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The buffer overflow vulnerability in the CGI program of the VMG3625-T50B firmware version V5.50(ABPM.8)C0 could allow an authenticated remote attacker to cause denial of service (DoS) conditions by sending a crafted HTTP request to a vulnerable device.

Weakness: CWE-120

Which versions are affected by CVE-2023-37929?

It affects 32 products.

Products include Zyxel Ax7501-B0 Firmware, Zyxel Ax7501-B1 Firmware, Zyxel Dx3300-T1 Firmware, Zyxel Dx3301-T0 Firmware, Zyxel Dx4510 Firmware, Zyxel Dx5401-B0 Firmware and 26 more.

How do I fix CVE-2023-37929?

No fix has been published for CVE-2023-37929 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-2023-37929 being exploited?

There is no known exploitation of CVE-2023-37929 in the wild and no public exploit code.

Sources

Also known as GHSA-2c72-646m-c23c.

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