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CVE-2026-34492
External control of file name or path vulnerability in Johnson Controls Airwall allows : File Manipulation. This issue affects Airwall: before 4.1.
This record: live connection— last retrieved: 24 September 2026 at 05:13.
Taken directly from NVD, CISA or the vendor — sometimes in English, unchanged from the source.
External control of file name or path vulnerability in Johnson Controls Airwall allows : File Manipulation. This issue affects Airwall: before 4.1.
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:L
Attack vector
NETWORK
Privileges required
NONE
User interaction
NONE
Confidentiality
None
Integrity
None
Availability
None
Probability of exploitation within 30 days
0.3%
Percentile
19e
Source: FIRST.org, updated on 23 September 2026.
To help reduce risk of exploitation, Johnson Controls recommends the following defensive measures: Apply v4.1.0 or later patches for all Airwalls.
Our own interpretation and context for the source data above.
IACS Radar assessment
Our own interpretation and context for this vulnerability — not an official source.
IACS Radar priority score
Based on CVSS 6.4, EPSS 0.3%, industrial relevance 40/100.
Combines CVSS, EPSS, KEV status, industrial relevance and exposure relevance — a complement to, not a replacement for, the individual scores below and above.
Conditions for exploitation
Operational impact & energy relevance
Limited impact on availability; the risk lies mainly with confidentiality or integrity of process data.
No strong energy-sector-specific signals recognised; general OT/ICS relevance.
Recommended defensive measures
Industrial relevance score
Classification is provisional; manual verification by an OT security analyst is recommended.
Classified by IACS Radar-analysepijplijn (geautomatiseerd) on 24 September 2026.
IEC 62443 mapping
Automatic IACS Radar assessment based on the reported CWE weakness classification; not an official certification statement.