CVE-2023-24480: Controller stack overflow when decoding messages from the server

Published Jul 13, 2023
·
Updated

Controller DoS due to stack overflow when decoding a message from the server

Affected Software

12 affected components
Honeywell C300 Firmware>=501.1<=501.6hf8
Honeywell C300 Firmware>=510.1<=510.2hf12
Honeywell C300 Firmware>=511.1<=511.5tcu3
Honeywell C300 Firmware>=520.1<=520.1tcu4
Honeywell C300 Firmware>=520.2<=520.2tcu2
Honeywell C300
All of the following
Any of the following
Honeywell C300 Firmware>=501.1<=501.6hf8
Honeywell C300 Firmware>=510.1<=510.2hf12
Honeywell C300 Firmware>=511.1<=511.5tcu3
Honeywell C300 Firmware>=520.1<=520.1tcu4
Honeywell C300 Firmware>=520.2<=520.2tcu2
Honeywell C300

Event History

Jul 13, 2023
CVE Published
via MITRE·10:57 AM
Data Sourced
via MITRE·10:57 AM
DescriptionSeverityWeakness
Data Sourced
11:15 AM
Description
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is CVE-2023-24480?

CVE-2023-24480 is a vulnerability that allows for a denial-of-service attack on the controller due to a stack overflow when decoding a message from the server.

2

What is the severity of CVE-2023-24480?

The severity of CVE-2023-24480 is critical with a severity value of 7.5.

3

Which software versions are affected by CVE-2023-24480?

The Honeywell C300 Firmware versions between 501.1 and 501.6hf8, 510.1 and 510.2hf12, 511.1 and 511.5tcu3, and 520.1 and 520.1tcu4 are affected by CVE-2023-24480.

4

How can the CVE-2023-24480 vulnerability be exploited?

The CVE-2023-24480 vulnerability can be exploited by sending a specially crafted message from the server to trigger a stack overflow in the controller.

5

Is the Honeywell C300 device vulnerable to CVE-2023-24480?

No, the Honeywell C300 device itself is not vulnerable to CVE-2023-24480, only specific firmware versions are affected.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203