Siemens Capital Embedded AR Classic

Publisher excerpt From CISA Cybersecurity Advisories

View CSAF Summary The products listed below contain an out-of-bounds read vulnerability that could allow an attacker to cause abnormal product behavior, instability, or denial of service. Siemens has released a new version for Capital Embedded AR Classic R20-11 and recommends updating to the latest version. Siemens is preparing further fix versions and recommends specific countermeasures for products where fixes are not, or not yet available. The following versions of Siemens Capital Embedded AR Classic are affected: Capital Embedded AR Classic 431-422 vers:all/* (CVE-2026-89208) Capital Embedded AR Classic R20-11 vers:intdot/<2303 (CVE-2026-89208) CVSS Vendor Equipment v3 5.3 Siemens Capital Embedded AR Classic 431-422 1 Vulnerability Out-of-bounds Read Background Critical Infrastructure Sectors: Critical Manufacturing, Transportation Systems, Energy, Healthcare and Public Health, Financial Services, Government Services and Facilities Countries/Areas Deployed: Worldwide Company Headquarters Location: Germany Vulnerabilities CVE-2026-89208 The affected product does not properly validate input bounds before accessing packet data. This could allow an unauthenticated remote attacker to trigger memory reads outside the intended packet boundaries. Read More 2 Affected Products Capital Embedded AR Classic 431-422 Product Status: known_affected Remediations Mitigation Apply network segmentation and put the ECUs behind properly configured gateways/firewalls N…

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