CVE-2025-2522 Lack of buffer clearing before reuse may result in incorrect system behavior.
An attacker can exploit buffer reuse in Honeywell Experion PKS and OneWireless to manipulate communication channels and potentially access sensitive information.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-2522?
CVE-2025-2522 is a medium-severity vulnerability in Honeywell C200E, published on 10 Jul 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-226
Which versions are affected by CVE-2025-2522?
How do I fix CVE-2025-2522?
No fix has been published for CVE-2025-2522 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-2522 being exploited?
There is no known exploitation of CVE-2025-2522 in the wild and no public exploit code.
Sources
Also known as GHSA-3pc5-rvw8-v64m.