CVE-2025-2523

Lack of buffer clearing before reuse may result in incorrect system behavior.

Published: Jul 10, 2025Updated: Jul 15, 2025 Sources: CVE List NVD BDU csafCWE-191

9.4CRITICAL

Description

The Honeywell Experion PKS and OneWireless WDM contains an Integer Underflow vulnerability in the component Control Data Access (CDA). An attacker could potentially exploit this vulnerability, leading to a Communication Channel Manipulation, which could result in a failure during subtraction allowing 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

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:LConfidentiality

Low

I:HIntegrity

High

A:HAvailability

High

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Weaknesses

CWE-191

Affected Products

Honeywell

commercial·USaka experion server, saia pg5 controls suite, experion pks

Honeywell Internatioinal Inc.

commercial·USaka experion plantcruise, experion pks, honeywell international, experion lx

Experion PKSOn-prem

ICS / OT / IoT / plc-scada-hmi

Honeywell OneWireless Wireless Device Manager (WDM)On-premNetwork Device

ICS / OT / IoT / plc-scada-hmi

and 2 more affected products View all →

Exploitability

Official Patch Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique

Initial Access

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References

https://process.honeywell.com/

process.honeywell.com

https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2025/icsa-25-205-03.json

raw.githubusercontent.com

https://www.cisa.gov/news-events/ics-advisories/icsa-25-205-03

cisa.gov

and 20 more references View all →

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