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CVE-2025-3947

Integer underflow during processing of short network packets in CDA FTEB responder

Published
Last modified
published
Not listed in CISA KEV
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

The Honeywell Experion PKS contains an Integer Underflow vulnerability in the component Control Data Access (CDA). An attacker could potentially exploit this vulnerability, leading to Input Data Manipulation, which could result in improper integer data value checking during subtraction leading to a denial of service. Honeywell recommends updating to the most recent version of Honeywell Experion PKS:520.2 TCU9 HF1 and 530.1 TCU3 HF1. 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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • Honeywell C300 PCNT02

    From 520.1 · through 520.2 TCU9; From 530 · through 530 TCU3

  • Honeywell C300 PCNT05

    From 520.1 · through 520.2 TCU9; From 530 · through 530 TCU3

  • Honeywell FIM4

    From 520.1 · through 520.2 TCU9; From 530 · through 530 TCU3

  • Honeywell FIM8

    From 520.1 · through 520.2 TCU9; From 530 · through 530 TCU3

  • Honeywell UOC

    From 520.1 · through 520.2 TCU9; From 530 · through 530 TCU3

  • Honeywell CN100

    From 520.1 · through 520.2 TCU9; From 530 · through 530 TCU3

  • Honeywell HCA

    From 520.1 · through 520.2 TCU9; From 530 · through 530 TCU3

  • Honeywell C300PM

    From 520.1 · through 520.2 TCU9; From 530 · through 530 TCU3

  • Honeywell C200E

    From 520.1 · through 520.2 TCU9; From 530 · through 530 TCU3

References 1

process.honeywell.com