CVE-2025-5517

Unknown Unknown - Not Provided

BaseFortify

Publication date: 2025-10-20

Last updated on: 2025-10-21

Assigner: Asea Brown Boveri Ltd. (ABB)

Description

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.

CVSS Scores

EPSS Scores

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Meta Information

Published

2025-10-20

Last Modified

2025-10-21

Generated

2026-07-06

AI Q&A

2025-10-20

EPSS Evaluated

2026-07-05

NVD

CVE-2025-5517

EUVD

EUVD-2025-35093

Affected Vendors & Products

Vendor	Product	Version / Range
abb	terra_ac_wallbox	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-122	A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

Attack-Flow Graph

Executive Summary

This vulnerability is a heap-based buffer overflow in the ABB Terra AC Wallbox products. It involves improper handling or management of heap memory, which can lead to memory corruption. This flaw affects multiple versions of the ABB Terra AC Wallbox and can cause security risks such as unauthorized access or denial of service. [1]

Impact Analysis

The vulnerability can impact you by allowing attackers to exploit the heap memory flaw to cause memory corruption, which may result in unauthorized access to the system or denial of service. This can disrupt the normal operation of the ABB Terra AC Wallbox and potentially compromise system security. [1]

Mitigation Strategies

The advisory highlights the need to address the heap memory flaw in the ABB Terra AC Wallbox to ensure secure operation. Immediate steps should include applying any available patches or updates provided by ABB for the affected versions of the Terra AC Wallbox. Additionally, monitoring the system for unusual behavior related to memory corruption or denial of service may help mitigate risks until updates are applied. [1]

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