PT-2025-29157 · Honeywell · Honeywell Experion Pks

Positive Technologies · CVE-2025-2520 · Published 2025-07-10 · Updated 2025-07-24

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions: Honeywell Experion PKS versions 520.1 through 520.2 TCU9 Honeywell Experion PKS versions 530 through 530 TCU3

Description: The Honeywell Experion PKS contains an uninitialized variable in the common Epic Platform Analyzer (EPA) communications. An attacker could exploit this issue, leading to a communication channel manipulation, which results in a dereferencing of an uninitialized pointer, causing a denial of service.

Recommendations: Honeywell Experion PKS version 520.2 TCU9 HF1 Honeywell Experion PKS version 530.1 TCU3 HF1

Fix

DoS

Weakness Enumeration

CWE-457

Related Identifiers

BDU:2025-08555

CVE-2025-2520

Affected Products

Honeywell Experion Pks

References · 7

• https://bdu.fstec.ru/vul/2025-08555 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-2520 · Security Note
• https://twitter.com/0dayPublishing/status/1948420227219227053 · Twitter Post
• https://t.me/cvenotify/128433 · Telegram Post
• https://twitter.com/CVEnew/status/1943668191684915503 · Twitter Post
• https://vulners.com/redhatcve/RH:CVE-2025-2520 · Note
• https://process.honeywell.com · Note