Vulnerability · Published Sep 8, 2026 · Assigned by siemens
CVE-2026-62653
Medium 6.8
In plain English
A medium-severity out-of-bounds write in Reyrolle 7SR5 from Siemens. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities).
Official description
A vulnerability has been identified in Reyrolle 7SR5 (All versions < V2.70). The input received over a proprietary communication protocol that is exposed when the device is placed into a special firmware-update mode is not properly validated, resulting in a memory corruption condition. This could allow an unauthenticated attacker with physical access to the device to cause a crash and potentially execute arbitrary code on the device.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Siemens | Reyrolle 7SR5 | 0 – before V2.70 |
Weakness: CWE-787 · Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H