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CVE-2025-2520

CVE.org · Published

Historical CVEsJSONAI instructions

Record status
Published
Identifier year (not publication year)
2025
Source publication
Source updated
Imported by cveboard
Source snapshot
cve_2026-10-24_midnight_baseline ·

Plain text

CNA source text (English)

Dereferencing of an uninitialized pointer leads to denial of service.

The Honeywell Experion PKS contains an Uninitialized Variable in the common Epic Platform Analyzer (EPA) communications. An attacker could potentially exploit this vulnerability, leading to a Communication Channel Manipulation, which results in a dereferencing of an uninitialized pointer leading to a denial of service. Honeywell recommends updating to the most recent version of Honeywell Experion PKS: 520.2 TCU9 HF1and 530.1 TCU3 HF1. The affected Experion PKS products are C300 PCNT02, EHB, EHPM, ELMM, Classic ENIM, ETN, FIM4, FIM8, PGM, and RFIM. The Experion PKS versions affected are from 520.1 through 520.2 TCU9 and from 530 through 530 TCU3.

Scoped product and version facts

Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.

Exploitation unknown; this catalogue does not assess exploitation.

C300 PCNT02

Vendor
Honeywell
Product
C300 PCNT02
Platforms
  • Experion PKS
Default status
unaffected
C300 PCNT02 · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
520.1affectedsemverUnavailable520.2 TCU9None listed
530affectedsemverUnavailable530 TCU3None listed

EHB

Vendor
Honeywell
Product
EHB
Platforms
  • Experion PKS
Default status
unaffected
EHB · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
520.1affectedsemverUnavailable520.2 TCU9None listed
530affectedsemverUnavailable530 TCU3None listed

EHPM

Vendor
Honeywell
Product
EHPM
Platforms
  • Experion PKS
Default status
unaffected
EHPM · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
520.1affectedsemverUnavailable520.2 TCU9None listed
530affectedsemverUnavailable530 TCU3None listed

ELMM

Vendor
Honeywell
Product
ELMM
Platforms
  • Experion PKS
Default status
unaffected
ELMM · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
520.1affectedsemverUnavailable520.2 TCU9None listed
530affectedsemverUnavailable530 TCU3None listed

Classic ENIM

Vendor
Honeywell
Product
Classic ENIM
Platforms
  • Experion PKS
Default status
unaffected
Classic ENIM · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
520.1affectedsemverUnavailable520.2 TCU9None listed
530affectedsemverUnavailable530 TCU3None listed

ETN

Vendor
Honeywell
Product
ETN
Platforms
  • Experion PKS
Default status
unaffected
ETN · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
520.1affectedsemverUnavailable520.2 TCU9None listed
530affectedsemverUnavailable530 TCU3None listed

FIM4

Vendor
Honeywell
Product
FIM4
Platforms
  • Experion PKS
Default status
unaffected
FIM4 · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
520.1affectedsemverUnavailable520.2 TCU9None listed
530affectedsemverUnavailable530 TCU3None listed

FIM8

Vendor
Honeywell
Product
FIM8
Platforms
  • Experion PKS
Default status
unaffected
FIM8 · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
520.1affectedsemverUnavailable520.2 TCU9None listed
530affectedsemverUnavailable530 TCU3None listed

PGM

Vendor
Honeywell
Product
PGM
Platforms
  • Experion PKS
Default status
unaffected
PGM · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
520.1affectedsemverUnavailable520.2 TCU9None listed
530affectedsemverUnavailable530 TCU3None listed

RFIM

Vendor
Honeywell
Product
RFIM
Platforms
  • Experion PKS
Default status
unaffected
RFIM · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
520.1affectedsemverUnavailable520.2 TCU9None listed
530affectedsemverUnavailable530 TCU3None listed