CVE-2025-5517: Heap Memory Corruption Vulnerability

Published Oct 20, 2025
·
Updated

Heap-based Buffer Overflow vulnerability in ABB Terra AC wallbox (UL40/80A), ABB Terra AC wallbox (UL32A), ABB Terra AC wallbox (MID/ CE) -Terra AC MID, ABB Terra AC wallbox (MID/ CE) -Terra AC Juno CE, ABB Terra AC wallbox (MID/ CE) -Terra AC PTB, ABB Terra AC wallbox (JP).This issue affects Terra AC wallbox (UL40/80A): through 1.8.32; Terra AC wallbox (UL32A): through 1.8.2; Terra AC wallbox (MID/ CE) -Terra AC MID: through 1.8.32; Terra AC wallbox (MID/ CE) -Terra AC Juno CE: through 1.8.32; Terra AC wallbox (MID/ CE) -Terra AC PTB: through 1.8.21; Terra AC wallbox (JP): through 1.8.2.

Affected Software

6 affected components
ABB Terra AC wallbox UL40/80A<=1.8.32
ABB Terra AC wallbox UL32A<=1.8.2
ABB Terra AC wallbox MID/ CE -Terra AC MID<=1.8.32
ABB Terra AC wallbox MID/ CE -Terra AC Juno CE<=1.8.32
ABB Terra AC wallbox MID/ CE -Terra AC PTB<=1.8.21
ABB Terra AC wallbox JP<=1.8.2

Remediation

Information

The problem is corrected in the following product versions; apply the following update depending on product variant: * Terra AC wallbox (UL40/80A) 1.8.33 * Terra AC wallbox (UL32A) 1.8.34 * Terra AC MID 1.8.34 * Terra AC Juno CE 1.8.34 * Terra AC PTB 1.8.33 * Terra AC wallbox (JP) 1.8.34

Event History

Oct 20, 2025
CVE Published
via MITRE·06:27 PM
Data Sourced
via MITRE·06:27 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·07:15 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2025-5517?

CVE-2025-5517 is classified as a high-severity heap-based buffer overflow vulnerability.

2

How do I fix CVE-2025-5517?

To fix CVE-2025-5517, update the affected ABB Terra AC wallbox models to their latest firmware versions as specified by ABB.

3

What products are affected by CVE-2025-5517?

CVE-2025-5517 affects several models of ABB Terra AC wallbox including UL40/80A, UL32A, MID/CE models, and JP.

4

What is a heap-based buffer overflow in the context of CVE-2025-5517?

In the context of CVE-2025-5517, a heap-based buffer overflow occurs when the software writes more data to a buffer allocated on the heap than it can hold, potentially leading to arbitrary code execution.

5

Is there a proof of concept for CVE-2025-5517?

As of now, no public proof of concept is available for CVE-2025-5517.

Company

Resources

Contact

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CVE-2025-5517 - Heap Memory Corruption Vulnerability - SecAlerts