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SiemensCVE-2026-62645

Siemens Reyrolle 7SR5: authentication bypass

Critical9.3CVE-2026-62645 · Published Sep 8, 2026

A vulnerability has been identified in Reyrolle 7SR5 (All versions < V2.70). Information is exposed through the web interface that can be used to calculate the current and past session ID numbers. This could allow an attacker to bypass the authentication and gain unauthorized access to the device.

Siemens advisory

Affected versions

PackageAffectedFixed in
Reyrolle 7SR5
Product
< V2.70V2.70
Details and references
CVSS 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-306

More Siemens advisories

All Siemens
Advisory
Siemens SIMOVE Fleetmanager: path traversal
Critical9.2Sep 8
Siemens Reyrolle 7SR5: denial of service
High8.7Sep 8
Siemens Reyrolle 7SR5: improper access control
High8.7Sep 8
Siemens Reyrolle 7SR5: unauthenticated attacker could the publicly available
Medium6.9Sep 8
Siemens Reyrolle 7SR5: memory corruption
High7.0Sep 8
Siemens Reyrolle 7SR5: attacker could the device to upload
High7.0Sep 8

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