CVE-2025-2523 PUBLISHED

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

Assigner: Honeywell
Reserved: 19.03.2025 Published: 10.07.2025 Updated: 10.07.2025

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.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H
CVSS Score: 9.4

Product Status

Vendor Honeywell
Product C300 PCNT02
Versions Default: unaffected
  • affected from 520.1 to 520.2 TCU9 (incl.)
  • affected from 530 to 530 TCU3 (incl.)
Vendor Honeywell
Product C300 PCNT05
Versions Default: unaffected
  • affected from 520.1 to 520.2 TCU9 (incl.)
  • affected from 530 to 530 TCU3 (incl.)
Vendor Honeywell
Product FIM4
Versions Default: unaffected
  • affected from 520.1 to 520.2 TCU9 (incl.)
  • affected from 530 to 530 TCU3 (incl.)
Vendor Honeywell
Product FIM8
Versions Default: unaffected
  • affected from 520.1 to 520.2 TCU9 (incl.)
  • affected from 530 to 530 TCU3 (incl.)
Vendor Honeywell
Product UOC
Versions Default: unaffected
  • affected from 520.1 to 520.2 TCU9 (incl.)
  • affected from 530 to 530 TCU3 (incl.)
Vendor Honeywell
Product CN100
Versions Default: unaffected
  • affected from 520.1 to 520.2 TCU9 (incl.)
  • affected from 530 to 530 TCU3 (incl.)
Vendor Honeywell
Product HCA
Versions Default: unaffected
  • affected from 520.1 to 520.2 TCU9 (incl.)
  • affected from 530 to 530 TCU3 (incl.)
Vendor Honeywell
Product C300PM
Versions Default: unaffected
  • affected from 520.1 to 520.2 TCU9 (incl.)
  • affected from 530 to 530 TCU3 (incl.)
Vendor Honeywell
Product C200E
Versions Default: unaffected
  • affected from 520.1 to 520.2 TCU9 (incl.)
  • affected from 530 to 530 TCU3 (incl.)
Vendor Honeywell
Product Wireless Device Manager
Versions Default: unaffected
  • affected from 322.1 to 322.4 (incl.)
  • affected from 330.1 to 330.3 (incl.)

Credits

  • Positive Technologies finder

References

Problem Types

  • CWE-191 Integer Underflow (Wrap or Wraparound) CWE

Impacts

  • CAPEC-216 Communication Channel Manipulation