CVE-2024-23978 Memory corruption in HOME SPOT CUBE2

Critical 9.8 Published 2 Feb 2024 Updated 15 May 2025

Heap-based buffer overflow in HOME SPOT CUBE2 allows arbitrary code execution via invalid values; product is end-of-life.

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

What is CVE-2024-23978?

CVE-2024-23978 is a critical memory corruption vulnerability in KDDI CORPORATION HOME SPOT CUBE2, published on 2 Feb 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Heap-based buffer overflow vulnerability exists in HOME SPOT CUBE2 V102 and earlier. By processing invalid values, arbitrary code may be executed. Note that the affected products are no longer supported.

Weakness: CWE-787

Which versions are affected by CVE-2024-23978?

It affects 1 product.

Products include Kddi Home Spot Cube 2 Firmware.

How do I fix CVE-2024-23978?

No fix has been published for CVE-2024-23978 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-2024-23978 being exploited?

There is no known exploitation of CVE-2024-23978 in the wild and no public exploit code.

Sources

Also known as GHSA-9mhj-hrp8-v2xc.