CVE-2026-62647
CVSS Score
7.4
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-20 |
| Vendor | siemens |
| Product | reyrolle 7sr5 |
| Ecosystems | |
| Industries | IndustrialManufacturing |
| Published | Sep 8, 2026 |
| Last Updated | Sep 14, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Siemens / Reyrolle 7SR5
0 < V2.70