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I. Basic Information for CVE-2025-3947
Vulnerability Information
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Vulnerability Title
Integer underflow during processing of short network packets in CDA FTEB responder
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
整数下溢(超界折返)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Honeywell Experion PKS 数字错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Honeywell Experion PKS是美国霍尼韦尔（Honeywell）公司的一个过程自动化系统。 Honeywell Experion PKS 520.1至520.2 TCU9和530至530 TCU3版本存在安全漏洞，该漏洞源于整数下溢，可能导致拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
HoneywellC300 PCNT02 520.1 ~ 520.2 TCU9 -
HoneywellC300 PCNT05 520.1 ~ 520.2 TCU9 -
HoneywellFIM4 520.1 ~ 520.2 TCU9 -
HoneywellFIM8 520.1 ~ 520.2 TCU9 -
HoneywellUOC 520.1 ~ 520.2 TCU9 -
HoneywellCN100 520.1 ~ 520.2 TCU9 -
HoneywellHCA 520.1 ~ 520.2 TCU9 -
HoneywellC300PM 520.1 ~ 520.2 TCU9 -
HoneywellC200E 520.1 ~ 520.2 TCU9 -
II. Public POCs for CVE-2025-3947
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III. Intelligence Information for CVE-2025-3947
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IV. Related Vulnerabilities
Same product: C300 PCNT02
Same vendor: Honeywell
Same weakness: CWE-191
V. Comments for CVE-2025-3947

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