Medium severity · published Sep 29, 2025
CVE-2025-10504
Heap Memory Corruption Vulnerability
6.1
CVSS
0.2%
EPSS
No
On KEV
Description
Heap-based Buffer Overflow vulnerability in ABB Terra AC wallbox.This issue affects Terra AC wallbox: through 1.8.33.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
None
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 11% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TA
Terra AC wallbox · ABB
through 1.8.33 · source: vendor
In the news
VulnerabilityMedium
ABB Terra AC Wallbox
View CSAF
Summary
ABB is aware of vulnerabilities in the product versions listed as affected in the advisory. An attacker who successfully exploited this vulnerability could cause the pollution of heap memory which potentially takes remote control of the product and performs a write operation to the flash memory to alter the firmware behavior.
The following versions of ABB Terra AC Wallbox are affected:
Terra AC wallbox (JP) <=1.8.33, 1.8.36 (CVE-2025-10504, CVE-2025-12142, CVE-2025-12143)
CVSS
Vendor
Equipment
Vulnerabilities
v3 6.1
ABB
ABB Terra AC Wallbox
Heap-based Buffer Overflow, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow'), Stack-based Buffer Overflow
Background
Critical Infrastructure Sectors: Energy
Countries/Areas Deployed: Worldwide
Company Headquarters Location: Switzerland
Vulnerabilities
Expand All +
CVE-2025-10504
There is potential risk to pollute the memory when developing apps which has used to communicate with charger according to self-defined protocol if developers don’t strictly follow the field length which has not been validated in firmware.
View CVE Details
Affected Products
ABB Terra AC Wallbox
Vendor: ABB
Product Version: ABB Terra AC wallbox (JP) <=1.8.33
Product Status: fixed, known_affected
Remediations
Vendor fix The problem is corrected in the following product version; apply the followin...
May 21, 2026·CISA Advisories
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-10504
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-10504
search.abb.com
https://search.abb.com/library/Download.aspx?DocumentID=9AKK108471A8107&LanguageCode=en&DocumentPartId=&Action=Launch
More from Terra AC wallbox
6.1
CVE-2025-12143
Stack Memory Corruption Vulnerability
6.1
CVE-2025-12142
BSS(Block Started by Symbol) Memory Corruption Vulnerability
