CVE-2026-62654: Siemens Reyrolle 7sr5

Medium severity, CVSS 6.8. EPSS: 0.2% chance of exploitation in the next 30 days.

A vulnerability has been identified in Reyrolle 7SR5 (All versions < V2.70). A special maintenance mode can be activated via a physical key sequence during device boot, in which the device downloads and executes program code from a network server without verifying its authenticity or integrity. This could allow an attacker with physical access to the device to upload and execute arbitrary, unsigned code.

Affected products

• Siemens Reyrolle 7sr5: before V2.70 (fixed in V2.70)

Published 2026-09-08. Last modified 2026-09-08.