What’s Vulnerable › Vulnerabilities
CVE-2023-26597: Controller DOS on sending error response
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.6% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2023-07-13 · updated 2026-06-17
- Weakness: CWE-400
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.
Affected products
- Honeywell C300: from 501.1 through 501.6hf8; from 510.1 through 510.2hf12; from 511.1 through 511.5tcu3; from 520.1 through 520.1tcu4; from 520.2 through 520.2tcu2
References
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