CISA + vendors
ICS Advisories
Advisories specifically aimed at industrial control systems — from CISA ICS-CERT and directly from vendors (including Siemens, ABB, Schneider Electric, WAGO and Phoenix Contact) — including revision history (initial publication, Update A, Update B) and linked CVEs.
1
Found
Advisory data: live connection— last retrieved: 7 November 2026 at 21:02.
Filters
1 active1 advisories found
Risk evaluation
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
Mitigation summary
The vulnerabilities have been resolved in the following product versions: AC500 V2 firmware version 2.5.3 (released in 2016) and later
Revision history (2)
Initial publication — 23 July 2025
Initial version.
Update A — 22 May 2026
Minor correction to the affected product version in the product tree.