CVE-2026-89208: siemens capital embedded ar classic 431-422 Out-of-bounds Read

Vulnerability summary

CVE-2026-89208 is a medium (CVSS 6.9) Out-of-bounds Read vulnerability in siemens capital embedded ar classic 431-422. EPSS estimates a 0.42% chance of exploitation in the next 30 days, higher than 35.1% of scored vulnerabilities.

Timeline

1. 13-10-2026
   PublishedVulnerability first disclosed.
2. 13-10-2026
   Last modifiedVulnerability information updated.

Description

A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303), Desigo PXC00-E.D (All versions >= V2.3), Desigo PXC00-U (All versions >= V2.3), Desigo PXC001-E.D (All versions >= V2.3), Desigo PXC100-E.D (All versions >= V2.3), Desigo PXC12-E.D (All versions >= V2.3), Desigo PXC128-U (All versions >= V2.3), Desigo PXC200-E.D (All versions >= V2.3), Desigo PXC22-E.D (All versions >= V2.3), Desigo PXC22.1-E.D (All versions >= V2.3), Desigo PXC36.1-E.D (All versions >= V2.3), Desigo PXC50-E.D (All versions >= V2.3), Desigo PXC64-U (All versions >= V2.3), Desigo PXM20-E (All versions >= V2.3). 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.

• CWE-125Out-of-bounds ReadThe product reads data past the end, or before the beginning, of the intended buffer.