CVE-2025-12056

Out-of-bounds Read in Shelly Pro 3EM

Published Nov 19, 2025 CVSS 4.0 · 8.3 High EPSS < 1% KEV · Not listed
Description
Out-of-bounds Read in Shelly Pro 3EM (before v1.4.4) allows Overread Buffers.

Remediation

Vendor Workaround

Until a software patch which fixes this issue is not released, it is highly recommended to segregate the device in a dedicated and protected network.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Shelly
Shelly pro 3em
Vendors & Products Shelly
Shelly pro 3em
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Out-of-bounds Read in Shelly Pro 3EM (before v1.4.4) allows Overread Buffers.
Title Out-of-bounds Read in Shelly Pro 3EM
Weaknesses CWE-125
References
Metrics cvssV4_0

{'score': 8.3, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Nozomi
Published
Updated
Nov 21, 2025, 5:14 PM
Reserved
Oct 22, 2025, 7:12 AM
Status
Deferred
Published
Nov 19, 2025, 7:15 AM
Modified
Oct 18, 2026, 8:10 PM