CVE-2025-6073: Stack Buffer Overflow in MQTTCore

Published Jul 3, 2025
·
Updated

Stack-based Buffer Overflow vulnerability in ABB RMC-100, ABB RMC-100 LITE.

When the REST interface is enabled by the user, and an attacker gains access to the control network, and user/password broker authentication is enabled, and CVE-2025-6074 is exploited, the attacker can overflow the buffer for username or password.

This issue affects RMC-100: from 2105457-043 through 2105457-045; RMC-100 LITE: from 2106229-015 through 2106229-016.

Affected Software

2 affected components
ABB RMC-100>=2105457-043<=2105457-045
ABB RMC-100 LITE>=2106229-015<=2106229-016

Event History

Jul 3, 2025
CVE Published
via MITRE·04:49 PM
Data Sourced
via MITRE·04:49 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:15 PM
DescriptionSeverityWeakness
Nov 15, 57490
Event
via FIRST·08:36 PM

Frequently Asked Questions

1

What is the severity of CVE-2025-6073?

CVE-2025-6073 is considered a critical stack-based buffer overflow vulnerability that can allow an attacker to execute arbitrary code.

2

How do I fix CVE-2025-6073?

To mitigate CVE-2025-6073, disable the REST interface if not needed and update to the latest version of the affected software.

3

What products are affected by CVE-2025-6073?

The affected products for CVE-2025-6073 include ABB RMC-100 versions 2105457-043 to 2105457-045 and ABB RMC-100 LITE versions 2106229-015 to 2106229-016.

4

What conditions need to be met for CVE-2025-6073 to be exploited?

CVE-2025-6073 can be exploited when the REST interface is enabled, user/password broker authentication is in place, and CVE-2025-6074 is also exploited.

5

What is the potential impact of CVE-2025-6073?

The potential impact of CVE-2025-6073 includes unauthorized access and execution of arbitrary code within the affected ABB devices.

Contact

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