CVE-2025-12056

HIGH
2025-11-19 [email protected]
8.3
CVSS 4.0
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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/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
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

2
Analysis Generated
Mar 28, 2026 - 19:23 vuln.today
CVE Published
Nov 19, 2025 - 07:15 nvd
HIGH 8.3

Tags

Buffer Overflow Information Disclosure

Description

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

Analysis

Out-of-bounds Read in Shelly Pro 3EM (before v1.4.4) allows Overread Buffers. Rated high severity (CVSS 8.3), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Technical Context

This vulnerability is classified as Out-of-bounds Read (CWE-125), which allows attackers to read data from memory outside the intended buffer boundaries. Out-of-bounds Read in Shelly Pro 3EM (before v1.4.4) allows Overread Buffers.

Affected Products

See vendor advisory for affected versions.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate array indices and buffer lengths. Use memory-safe languages. Enable AddressSanitizer during testing.

Priority Score

42
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +42
POC: 0

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CVE-2025-12056 vulnerability details – vuln.today
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