ABB AC500 V2 — CVE-2025-7745

Summary

View CSAF Summary ABB became aware of vulnerabilities in AC500 V2 listed as affected in the advisory. An attacker who successfully exploited this vulnerability could access fragments of Modbus telegrams that have been sent earlier by that PLC The following versions of ABB AC500 V2 are affected: AC500 V2 CVSS Vendor Equipment Vulnerabilities v3 5.8 ABB ABB AC500 V2 Buffer Over-read Background Critical Infrastructure…

Product

ICS Advisory

What to do

General, cautious steps (verify details in the official source):

• Review exposure and plan remediation based on risk and environment.
• Identify affected product versions in your inventory and verify whether you are impacted.
• Apply vendor patches/updates or recommended mitigations as soon as available.
• Read the official advisory for exact affected versions and remediation steps.

Official advisory

• Read the official source
• CVE Record
• NVD

Related advisories