CVE-2025-2522: Lack of buffer clearing before reuse may result in incorrect system behavior.
Noroxi assessment
Priority: Monitor (action score 26/100)
- The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
- Probability of exploitation in the next 30 days: 0.27% (FIRST EPSS).
- Anyone who can reach it over the internet can trigger it. No account or password is required. No user action is required. No special conditions are required; it is repeatable.
- According to the record, no fixed version is available yet.
Low priority for now. Update when a fix is released; follow the vendor's advisory.
Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it
Primary sources: NVD · CVE.org · FIRST EPSS
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.
- Published
- Jul 10, 2025
- Updated
- Jun 17, 2026
- EPSS
- 0.2% · 19th percentile
- CWE
- CWE-226
Report tools
Action score
26
Monitor
Low priority for now.
- CVSS
- 26 / 40 · 6.5 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.2%
CISA SSVC decision
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
Vulnrichment: CISA's decision-tree inputs.
CNA vs NVD score
- NVD
- —
- CNA · Honeywell
- 6.5
- NVD has not scored this yet; the score shown is the CNA’s.
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Get told when this record changes
- Not in KEV: no record of exploitation in the wild
- No public exploit code on record
- No fixed version yet
If any of these changes, we'll tell you in the daily email digest.
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Noroxi analysis
What does it mean in your environment?
The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.
We use this product, ask for helpAffected systems
Is your version affected?
Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.
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Versions reported by the vendor
Affected version ranges reported by the assigning authority (Honeywell). Independent of NVD's CPE analysis and usually ahead of it.
Honeywell C200E
- 520.1 and later · up to and including 520.2 TCU9affected · semver
- 530 and later · up to and including 530 TCU3affected · semver
Honeywell C300 PCNT02
- 520.1 and later · up to and including 520.2 TCU9affected · semver
- 530 and later · up to and including 530 TCU3affected · semver
Honeywell C300 PCNT05
- 520.1 and later · up to and including 520.2 TCU9affected · semver
- 530 and later · up to and including 530 TCU3affected · semver
Honeywell C300PM
- 520.1 and later · up to and including 520.2 TCU9affected · semver
- 530 and later · up to and including 530 TCU3affected · semver
Honeywell CN100
- 520.1 and later · up to and including 520.2 TCU9affected · semver
- 530 and later · up to and including 530 TCU3affected · semver
Honeywell FIM4
- 520.1 and later · up to and including 520.2 TCU9affected · semver
- 530 and later · up to and including 530 TCU3affected · semver
Honeywell FIM8
- 520.1 and later · up to and including 520.2 TCU9affected · semver
- 530 and later · up to and including 530 TCU3affected · semver
Honeywell HCA
- 520.1 and later · up to and including 520.2 TCU9affected · semver
- 530 and later · up to and including 530 TCU3affected · semver
Honeywell UOC
- 520.1 and later · up to and including 520.2 TCU9affected · semver
- 530 and later · up to and including 530 TCU3affected · semver
Honeywell Wireless Device Manager
- 322.1 and later · up to and including 322.4affected · semver
- 330.1 and later · up to and including 330.3affected · semver
Same product
honeywell: all recordsOther highest-scoring records for the same primary product.
- CVE-2025-2523Lack of buffer clearing before reuse may result in incorrect system behavior.37Monitor
- CVE-2025-2521Lack of indexes’ validation against buffer borders leads to remote code execution.34Monitor
- CVE-2025-3947Integer underflow during processing of short network packets in CDA FTEB responder32Monitor
Published before and after this one in the same product
- ← EarlierCVE-2025-2520Jul 10, 2025 · Dereferencing of an uninitialized pointer leads to denial of service.30Monitor
- Later →CVE-2025-3946Jul 10, 2025 · Incorrect response generation during FTEB protocol processing32Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
No history yet (it accumulates with the daily EPSS job).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
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Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- low · data can be read
- Integrity
- low · data or configuration can be modified
- Availability
- none
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- Low
- Integrity impact
- Low
- Availability impact
- None
Weakness class (CWE)
CWE-226 · Sensitive Information in Resource Not Removed Before ReuseCVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
nvd-secondary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
Change log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
Vendor advisories and official records. Exploit/PoC links are deliberately left out.