CVE-2025-24956 Memory corruption in OpenV2G

Medium 6.9 Published Updated

An attacker can trigger a buffer overflow via crafted EXI data, leading to memory corruption and potential code execution in applications using OpenV2G.

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

What is CVE-2025-24956?

CVE-2025-24956 is a medium-severity memory corruption vulnerability in Siemens OpenV2G, published on 11 Feb 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability has been identified in OpenV2G (All versions < V0.9.6). The OpenV2G EXI parsing feature is missing a length check when parsing X509 serial numbers. Thus, an attacker could introduce a buffer overflow that leads to memory corruption.

Weakness: CWE-120

Which versions are affected by CVE-2025-24956?

It affects 1 product.

Products include Siemens Openv2g.

How do I fix CVE-2025-24956?

No fix has been published for CVE-2025-24956 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-2025-24956 being exploited?

There is no known exploitation of CVE-2025-24956 in the wild and no public exploit code.

Sources

Also known as GHSA-357m-v762-qj4c.

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