Riskcovery

CVE-2025-2521

Lack of indexes’ validation against buffer borders leads to remote code execution.

State
Published
Severity
8.6 High
Published
Jul 10, 2025
Updated
Aug 4, 2025
Reserved
Mar 19, 2025

Read the record on cve.org

Description

The Honeywell Experion PKS and OneWireless WDM contains a Memory Buffer vulnerability in the component Control Data Access (CDA). An attacker could potentially exploit this vulnerability, leading to an Overread Buffers, which could result in improper index validation against buffer borders 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.

Scores

CVSSScoreVectorSource
3.18.6 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:HHoneywell

Weaknesses

  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

Affected Products

ProductVersions
C300 PCNT02Honeywell
  • 520.1 through 520.2 TCU9Affected
  • 530 through 530 TCU3Affected
C300 PCNT05Honeywell
  • 520.1 through 520.2 TCU9Affected
  • 530 through 530 TCU3Affected
FIM4Honeywell
  • 520.1 through 520.2 TCU9Affected
  • 530 through 530 TCU3Affected
FIM8Honeywell
  • 520.1 through 520.2 TCU9Affected
  • 530 through 530 TCU3Affected
UOCHoneywell
  • 520.1 through 520.2 TCU9Affected
  • 530 through 530 TCU3Affected
CN100Honeywell
  • 520.1 through 520.2 TCU9Affected
  • 530 through 530 TCU3Affected
HCAHoneywell
  • 520.1 through 520.2 TCU9Affected
  • 530 through 530 TCU3Affected
C300PMHoneywell
  • 520.1 through 520.2 TCU9Affected
  • 530 through 530 TCU3Affected
C200EHoneywell
  • 520.1 through 520.2 TCU9Affected
  • 530 through 530 TCU3Affected
Wireless Device ManagerHoneywell
  • 322.1 through 322.4Affected
  • 330.1 through 330.3Affected

References

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