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CVE-2025-3946

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CVE-2025-3946

Published: Jul 10, 2025

Modified: Aug 4, 2025

PUBLISHED

CVSS v3.1

8.2

HIGH

Description

The Honeywell Experion PKS and OneWireless WDM contains a Deployment of Wrong Handler vulnerability in the component Control Data Access (CDA). An attacker could potentially exploit this vulnerability, leading to Input Data Manipulation, which could result in incorrect handling of packets leading to remote code execution. Honeywell recommends updating to the most recent version of Honeywell Experion PKS:520.2 TCU9 HF1 and 530.1 TCU3 HF1 and OneWireless: 322.5 and 331.1. The affected Experion PKS products are C300 PCNT02, C300 PCNT05, FIM4, FIM8, UOC, CN100, HCA, C300PM, and C200E. The Experion PKS versions affected are from 520.1 through 520.2 TCU9 and from 530 through 530 TCU3. The OneWireless WDM affected versions are 322.1 through 322.4 and 330.1 through 330.3.

VendorProductVersions

Honeywell

C300 PCNT02

affected
520.1 - <= 520.2 TCU9
affected
530 - <= 530 TCU3

Honeywell

C300 PCNT05

affected
520.1 - <= 520.2 TCU9
affected
530 - <= 530 TCU3

Honeywell

FIM4

affected
520.1 - <= 520.2 TCU9
affected
530 - <= 530 TCU3

Honeywell

FIM8

affected
520.1 - <= 520.2 TCU9
affected
530 - <= 530 TCU3

Honeywell

UOC

affected
520.1 - <= 520.2 TCU9
affected
530 - <= 530 TCU3

Honeywell

CN100

affected
520.1 - <= 520.2 TCU9
affected
530 - <= 530 TCU3

Honeywell

HCA

affected
520.1 - <= 520.2 TCU9
affected
530 - <= 530 TCU3

Honeywell

C300PM

affected
520.1 - <= 520.2 TCU9
affected
530 - <= 530 TCU3

Honeywell

C200E

affected
520.1 - <= 520.2 TCU9
affected
530 - <= 530 TCU3

Honeywell

Wireless Device Manager

affected
322.1 - <= 322.4
affected
330.1 - <= 330.3

Weaknesses (CWE)

CWE-430

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

High

References

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