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OpenAdvisories
High · 7.4 CVE-2026-62647 EUVD-2026-72662GHSA-677f-mg3g-pgv2

A vulnerability has been identified in Reyrolle 7SR5 (All versions < V2.70). A random number generator is used to generate security-relevan…

Published Sep 8, 2026 · Updated Sep 14, 2026 · Assigned by siemens

Description

A vulnerability has been identified in Reyrolle 7SR5 (All versions < V2.70). A random number generator is used to generate security-relevant values (such as session identifiers used for authentication purposes) that is not initialized with a True Random Number Generator (TRNG), resulting in a predictable sequence of generated values. This could allow an unauthenticated remote attacker to more easily predict the generated values and impersonate a legitimate authenticated user, potentially gaining unauthorized access to the device.

Affected products

VendorProductAffectedFixed
Siemens Reyrolle 7SR5 < V2.70 V2.70

Advisories 3

References