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8.3

Shelly Pro 3EM: Unintended data exposure in older versions

CVE-2025-12056 · published 11 months ago
Summary

A security issue in older versions of Shelly Pro 3EM (before version 1.4.4) could allow unauthorized access to sensitive data. This could lead to an attacker gaining information they shouldn't have. Update to version 1.4.4 or later to fix this issue.

Original advisory text
Out-of-bounds Read in Shelly Pro 3EM (before v1.4.4) allows Overread Buffers.
Out-of-bounds Read in Shelly Pro 3EM (before v1.4.4) allows Overread Buffers.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
8.3 High
Exploitation
<1% chance of attack within 30 days
Type
CWE-125Out-of-bounds Read
Timeline
Published19 Nov 2025
Updated4 Nov 2026
First seen7 Mar 2026
Sources
CVE-2025-12056 · NVD
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