RT-Labs P-Net up to 1.0.1 RPC Packet out-of-bounds write

Summaryinfo

A vulnerability was found in RT-Labs P-Net up to 1.0.1 and classified as critical. This issue affects some unknown processing of the component RPC Packet Handler. Executing a manipulation can lead to out-of-bounds write. This vulnerability is handled as CVE-2025-32403. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability has been found in RT-Labs P-Net up to 1.0.1 and classified as critical. This vulnerability affects an unknown code of the component RPC Packet Handler. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

An Out-of-bounds Write in RT-Labs P-Net version 1.0.1 or earlier allows an attacker to corrupt the memory of IO devices that use the library by sending a malicious RPC packet.

The weakness was released by Luca Borzacchiello. The advisory is shared for download at nozominetworks.com. This vulnerability was named CVE-2025-32403 since 04/07/2025. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (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.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

• RT-Labs

Name

• P-Net

Version

• 1.0.0
• 1.0.1

CPE 2.3info

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CPE 2.2info

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