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SiemensCVE-2026-62648

Siemens Reyrolle 7SR5: out-of-bounds write

High8.7CVE-2026-62648 · Published Sep 8, 2026

A vulnerability has been identified in Reyrolle 7SR5 (All versions < V2.70). The length of the URL component contained in pre-authenticated HTTP messages is not properly validated before appending additional data to it, resulting in an out-of-bounds write condition in memory. This could allow an unauthenticated remote attacker to crash the affected device, causing a reboot and resulting in a denial-of-service condition.

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:N/VI:N/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-787

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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
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Siemens Reyrolle 7SR5: attacker could the device to upload
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