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CVE-2025-3946

Incorrect response generation during FTEB protocol processing

Published: Jul 10, 2025Updated: Jul 15, 2025 Sources: CVE List NVD BDU csafCWE-430
8.2HIGH
NVD MITRE
EPSS Score
0.5%
Top 63.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:LA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:LIntegrity
Low
A:HAvailability
High
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Weaknesses

CWE-430

Affected Products

C300 PCNT02HoneywellICS / OT / IoT
C300 PCNT05HoneywellICS / OT / IoT
FIM4HoneywellICS / OT / IoT
FIM8HoneywellICS / OT / IoT
UOCHoneywellICS / OT / IoT
honeywellcommercialUSICS / OT / IoTaka experion server, saia pg5 controls suite, experion pks
and 7 more affected products View all →

Exploitability

Official Patch Available
No detection template yetWe can run the check for you — a free external exposure review, no install. Check my exposure

References

https://process.honeywell.com/
process.honeywell.com
https://process.honeywell.com/
process.honeywell.com
https://www.cisa.gov/news-events/ics-advisories/icsa-25-205-03
cisa.gov
and 22 more references View all →

Timeline

Published
Jul 10, 2025
Last Updated
Jul 15, 2025

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