CVE-2025-12056 HIGH

CVE-2025-12056: Out-of-bounds Read in Shelly Pro 3EM

Vendor Shelly
Product Pro 3EM
Weakness CWE-125
Published November 19, 2025
Last update November 21, 2025

CVSS base score

8.3/10
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS 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

What the vulnerability does

01Description

Out-of-bounds Read in Shelly Pro 3EM (before v1.4.4) allows Overread Buffers.

Key dates

02Disclosure timeline

November 19, 2025 CVE published
November 21, 2025 Record updated