Medium severity · published Jul 10, 2025
CVE-2025-2522
Lack of buffer clearing before reuse may result in incorrect system behavior.
6.5
CVSS
0.3%
EPSS
No
On KEV
Description
The Honeywell Experion PKS and OneWireless WDM
contains Sensitive Information in Resource vulnerability in the component Control Data Access (CDA). An attacker could potentially exploit this vulnerability, leading to a Communication Channel Manipulation, which could result in buffer reuse which may cause incorrect system behavior.
Honeywell also recommends updating to the most recent version of
Honeywell Experion PKS:520.2 TCU9 HF1 and 530.1 TCU3 HF1 and OneWireless: 322.5 and 331.1.
The affected Experion PKS products are
C300, FIM4, FIM8, UOC, CN100, HCA, C300PM, and C200E. The Experion PKS versions affected are 520.1 before
520.2 TCU9 HF1 and 530 before 530 TCU3. The OneWireless WDM affected versions are 322.1 through 322.4 and 330.1 through 330.3.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 19% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
C2
C200E · Honeywell
520.1 through 520.2 TCU9; 530 through 530 TCU3 · source: vendor
CP
C300 PCNT02 · Honeywell
520.1 through 520.2 TCU9; 530 through 530 TCU3 · source: vendor
CP
C300 PCNT05 · Honeywell
520.1 through 520.2 TCU9; 530 through 530 TCU3 · source: vendor
C3
C300PM · Honeywell
520.1 through 520.2 TCU9; 530 through 530 TCU3 · source: vendor
CN
CN100 · Honeywell
520.1 through 520.2 TCU9; 530 through 530 TCU3 · source: vendor
FI
FIM4 · Honeywell
520.1 through 520.2 TCU9; 530 through 530 TCU3 · source: vendor
FI
FIM8 · Honeywell
520.1 through 520.2 TCU9; 530 through 530 TCU3 · source: vendor
HC
HCA · Honeywell
520.1 through 520.2 TCU9; 530 through 530 TCU3 · source: vendor
UO
UOC · Honeywell
520.1 through 520.2 TCU9; 530 through 530 TCU3 · source: vendor
WD
Wireless Device Manager · Honeywell
322.1 through 322.4; 330.1 through 330.3 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-2522
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-2522
process.honeywell.com
https://process.honeywell.com/
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CVE-2025-2523
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8.2
CVE-2025-3947
Integer underflow during processing of short network packets in CDA FTEB responder
8.2
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Incorrect response generation during FTEB protocol processing
