Back to Database
Status published
High
CVE-2023-26597
Controller DOS on sending error response
Vulnerability Description
Controller DoS due to buffer overflow in the handling of a specially crafted message received by the controller. See Honeywell Security Notification for recommendations on upgrading and versioning. See Honeywell Security Notification for recommendations on upgrading and versioning.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2023-26597
Credits & Attribution
No credits recorded in the NVD database.
References
More from Honeywell
View All →CVE-2025-3947
Integer underflow during processing of short network packets in CDA FTEB responder
High
8.2
CVE-2025-3946
Incorrect response generation during FTEB protocol processing
High
8.2
CVE-2025-2605
Authenticated command injection
Critical
9.9
CVE-2025-2523
Lack of buffer clearing before reuse may result in incorrect system behavior.
Critical
9.4
CVE-2025-2522
Lack of buffer clearing before reuse may result in incorrect system behavior.
Medium
6.5
Affected Vendor
Honeywell
View all reports →Affected Software
C300
Vulnerable Versions:
501.1, 510.1, 511.1, 520.1, 520.2
Timeline
Official Publish:
July 13th, 2023
Last Modified:
March 5th, 2025
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H