RT-Labs P-Net up to 1.0.1 RPC Packet heap-based overflow

Summaryinfo

A vulnerability, which was classified as critical, has been found in RT-Labs P-Net up to 1.0.1. Affected by this issue is some unknown functionality of the component RPC Packet Handler. This manipulation causes heap-based overflow. This vulnerability appears as CVE-2025-32400. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability classified as critical was found in RT-Labs P-Net up to 1.0.1. Affected by this vulnerability is an unknown functionality of the component RPC Packet Handler. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An Heap-based Buffer Overflow in RT-Labs P-Net version 1.0.1 or earlier allows an attacker to induce a crash in IO devices that use the library by sending a malicious RPC packet.

The weakness was presented by Luca Borzacchiello. The advisory is shared at nozominetworks.com. This vulnerability is known as CVE-2025-32400 since 04/07/2025. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/07/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• RT-Labs

Name

• P-Net

Version

• 1.0.0
• 1.0.1

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

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Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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