CVE-2025-3946: Incorrect response generation during FTEB protocol processing
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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-3946?
CVE-2025-3946 is classified as a medium severity vulnerability due to the potential for input data manipulation.
How do I fix CVE-2025-3946?
To mitigate CVE-2025-3946, users should apply the latest patches provided by Honeywell for Experion PKS and OneWireless WDM.
Which versions are affected by CVE-2025-3946?
CVE-2025-3946 affects Honeywell Experion PKS versions from 520.1 to 520.2 TCU9 and versions from 530 TCU1 to 530 TCU3, as well as OneWireless WDM versions from 322.1 to 322.5 and from 330.1 to 330.4.
What component is vulnerable in CVE-2025-3946?
The vulnerable component in CVE-2025-3946 is the Control Data Access (CDA) within the Honeywell systems.
What could an attacker achieve by exploiting CVE-2025-3946?
An attacker exploiting CVE-2025-3946 could manipulate input data, potentially leading to incorrect system operation or decisions.