8.2

CVE-2025-3947

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

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.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerHoneywell
≫
Produkt C300 PCNT02
Default Statusunaffected
Version <= 520.2 TCU9
Version 520.1
Status affected
Version <= 530 TCU3
Version 530
Status affected
HerstellerHoneywell
≫
Produkt C300 PCNT05
Default Statusunaffected
Version <= 520.2 TCU9
Version 520.1
Status affected
Version <= 530 TCU3
Version 530
Status affected
HerstellerHoneywell
≫
Produkt FIM4
Default Statusunaffected
Version <= 520.2 TCU9
Version 520.1
Status affected
Version <= 530 TCU3
Version 530
Status affected
HerstellerHoneywell
≫
Produkt FIM8
Default Statusunaffected
Version <= 520.2 TCU9
Version 520.1
Status affected
Version <= 530 TCU3
Version 530
Status affected
HerstellerHoneywell
≫
Produkt UOC
Default Statusunaffected
Version <= 520.2 TCU9
Version 520.1
Status affected
Version <= 530 TCU3
Version 530
Status affected
HerstellerHoneywell
≫
Produkt CN100
Default Statusunaffected
Version <= 520.2 TCU9
Version 520.1
Status affected
Version <= 530 TCU3
Version 530
Status affected
HerstellerHoneywell
≫
Produkt HCA
Default Statusunaffected
Version <= 520.2 TCU9
Version 520.1
Status affected
Version <= 530 TCU3
Version 530
Status affected
HerstellerHoneywell
≫
Produkt C300PM
Default Statusunaffected
Version <= 520.2 TCU9
Version 520.1
Status affected
Version <= 530 TCU3
Version 530
Status affected
HerstellerHoneywell
≫
Produkt C200E
Default Statusunaffected
Version <= 520.2 TCU9
Version 520.1
Status affected
Version <= 530 TCU3
Version 530
Status affected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.37% 0.587
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
psirt@honeywell.com 8.2 3.9 4.2
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
CWE-191 Integer Underflow (Wrap or Wraparound)

The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.