Cyber Resilience

CVE-2025-32403

Medium

Published: 07 May 2025

Published
07 May 2025
Modified
13 May 2025
KEV Added
—
Patch
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CVSS Score v3.1 4.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L
EPSS Score 0.0031 54.8th percentile
Risk Priority 10 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-32403 is a medium-severity Out-of-bounds Write (CWE-787) vulnerability in Rt-Labs P-Net. Its CVSS base score is 4.8 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 45.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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.

CWE(s)
CWE-787

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
attack.mitre.org →
T1210 Exploitation of Remote Services Lateral Movement
Adversaries may exploit remote services to gain unauthorized access to internal systems once inside of a network.
attack.mitre.org →
T1499.004 Application or System Exploitation Impact
Adversaries may exploit software vulnerabilities that can cause an application or system to crash and deny availability to users.
attack.mitre.org →
Why these techniques?

Out-of-bounds write vulnerability enables remote unauthenticated memory corruption on IO devices via malicious RPC packets over the network, facilitating exploitation of public-facing applications/remote services (T1190, T1210) and endpoint DoS through application/system exploitation (T1499.004).

Affected Assets

rt-labs
p-net
≤ 1.0.2

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SI-16 Memory Protection
addresses: CWE-787

Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.

References